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130-552: The Old Barracks were built in 1758 to house British soldiers during the French and Indian War , after colonists complained about the forced quartering of soldiers engaged in the conflict. It was built as a U-shaped stone structure, capable of housing about 300 soldiers at a time. It was reoccupied as a winter quarters by Hessian troops in the fall of 1776, during the American Revolutionary War . George Washington crossed

260-527: A C grade, and improving from the 46th to 54th most polluted by ozone smog. According to daily ozone air quality data provided by the EPA, from 2021 to 2024, Pittsburgh had good or moderate air quality most of the time. Then-Allegheny County executive Rich Fitzgerald said in December 2023 that they’d seen an "80 % drop in hazardous air pollutants" and that they made EPA attainment at all eight county air monitors for

390-615: A French patrol. In 1755, six colonial governors met with General Edward Braddock , the newly arrived British Army commander, and planned a four-way attack on the French. None succeeded, and the main effort by Braddock proved a disaster; he lost the Battle of the Monongahela on July 9, 1755, and died a few days later. British operations failed in the frontier areas of the Province of Pennsylvania and

520-600: A company of 40 men under William Trent to that point where they began construction of a small stockaded fort in the early months of 1754. Governor Duquesne sent additional French forces under Claude-Pierre Pécaudy de Contrecœur to relieve Saint-Pierre during the same period, and Contrecœur led 500 men south from Fort Venango on April 5, 1754. These forces arrived at the fort on April 16, but Contrecœur generously allowed Trent's small company to withdraw. He purchased their construction tools to continue building what became Fort Duquesne . Dinwiddie had ordered Washington to lead

650-534: A decrease in city population, even as the metropolitan area population increased again. During the late 2000s recession , Pittsburgh was economically strong, adding jobs when most cities were losing them. It was one of the few cities in the United States to see housing property values rise. Between 2006 and 2011, the Pittsburgh metropolitan statistical area (MSA) experienced over 10% appreciation in housing prices,

780-663: A dispute over control of the confluence of the Allegheny River and Monongahela River called the Forks of the Ohio , and the site of the French Fort Duquesne at the location that later became Pittsburgh , Pennsylvania. The dispute erupted into violence in the Battle of Jumonville Glen in May 1754, during which Virginia militiamen under the command of 22-year-old George Washington ambushed

910-594: A free state after the Revolution, enslaved African Americans sought freedom here through escape as refugees from the South, or occasionally fleeing from travelers they were serving who stayed in the city. There were active stations of the Underground Railroad in the city, and numerous refugees were documented as getting help from station agents and African-American workers in city hotels. The Drennen Slave Girl walked out of

1040-666: A growing residential segment. Most significantly, the Pittsburgh Cultural Trust is embarking on RiverParc, a four-block mixed-use "green" community, featuring 700 residential units and multiple towers of between 20 and 30 stories. The Firstside portion of Downtown borders the Monongahela River, the historic Mon Wharf and hosts the distinctive PPG Place Gothic-style glass skyscraper complex. New condo towers have been constructed and historic office towers are converted to residential use, increasing 24-hour residents. Downtown

1170-599: A large frontier with several companies of British regulars. When hostilities began, the British colonial governments preferred operating independently of one another and of the government in London. This situation complicated negotiations with Indian tribes, whose territories often encompassed land claimed by multiple colonies. As the war progressed, the leaders of the British Army establishment tried to impose constraints and demands on

1300-491: A larger force to assist Trent in his work, and Washington learned of Trent's retreat while he was en route. Mingo sachem Tanaghrisson had promised support to the British, so Washington continued toward Fort Duquesne and met with him. He then learned of a French scouting party in the area from a warrior sent by Tanaghrisson, so he added Tanaghrisson's dozen Mingo warriors to his own party. Washington's combined force of 52 ambushed 40 Canadiens (French colonists of New France ) on

1430-520: A military hospital by the Continental Army. Following the Revolution, the building was sold off, and it was converted into a series of private residences. One arm of the barracks was demolished in 1813 to make way for Front Street. From 1855 to 1899 it was used as a home for elderly women. In 1902, members of the Daughters of the Revolution , under the leadership of Beulah A. Oliphant, bought part of

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1560-533: A quarter of neighborhood names make reference to "hills," "heights," or similar features. The steps of Pittsburgh consist of 800 sets of outdoor public stairways with 44,645 treads and 24,090 vertical feet. They include hundreds of streets composed entirely of stairs, and many other steep streets with stairs for sidewalks. Many provide vistas of the Pittsburgh area while attracting hikers and fitness walkers. Bike and walking trails have been built to border many of

1690-585: A stance of neutrality to ensure continued trade with both French and British. Though maintaining this stance proved difficult as the Iroquois Confederation tribes sided and supported French or British causes depending on which side provided the most beneficial trade. The Southeast interior was dominated by Siouan-speaking Catawbas , Muskogee -speaking Creeks and Choctaw , and the Iroquoian-speaking Cherokee tribes. When war broke out,

1820-591: A strong house at the mouth of the Monongahela River on the modern site of Pittsburgh , Pennsylvania. Governor-General of New France Marquis de la Jonquière died on March 17, 1752, and he was temporarily replaced by Charles le Moyne de Longueuil. His permanent replacement was to be the Marquis Duquesne , but he did not arrive in New France until 1752 to take over the post. The continuing British activity in

1950-524: Is 39.61 inches (1,006 mm) and precipitation is greatest in May while least in October; annual precipitation has historically ranged from 22.65 in (575 mm) in 1930 to 57.83 in (1,469 mm) in 2018. On average, December and January have the greatest number of precipitation days. Snowfall averages 44.1 inches (112 cm) per season, but has historically ranged from 8.8 in (22 cm) in 1918–19 to 80 in (200 cm) in 1950–51. There

2080-467: Is a city in and the county seat of Allegheny County, Pennsylvania , United States. It is the second-most populous city in Pennsylvania , after Philadelphia , and the 68th-most populous city in the U.S., with a population of 302,971 as of the 2020 census . The city is located in southwestern Pennsylvania at the confluence of the Allegheny River and the Monongahela River , which combine to form

2210-404: Is additionally where Jehovah's Witnesses traces its earliest origins, and was the host of the 2009 G20 Pittsburgh summit . Pittsburgh was named in 1758, by General John Forbes , in honor of British statesman William Pitt, 1st Earl of Chatham . As Forbes was a Scotsman , he probably pronounced the name / ˈ p ɪ t s b ər ə / PITS -bər-ə (similar to Edinburgh ). Pittsburgh

2340-483: Is an average of 59 clear days and 103 partly cloudy days per year, while 203 days are cloudy. In terms of annual percent-average possible sunshine received, Pittsburgh (45%) is similar to Seattle (49%). The American Lung Association's (ALA) 2023 "State of the Air" report (which included data from 2019 to 2021) showed air quality in Pittsburgh improving. The city received a passing grade for ozone pollution, going from an F to

2470-454: Is home to large medical providers, including the University of Pittsburgh Medical Center , Allegheny Health Network , and 68 colleges and universities , including research and development leaders Carnegie Mellon University and the University of Pittsburgh . The area has served as the federal agency headquarters for cyber defense , software engineering , robotics , energy research , and

2600-413: Is home to the University of Pittsburgh , Carnegie Mellon University , Carlow University , Chatham University , The Carnegie Institute's Museums of Art and Natural History , Phipps Conservatory , and Soldiers and Sailors Memorial Hall . It is also home to many parks and public spaces including Mellon Park , Westinghouse Park , Schenley Park , Frick Park , The Frick Pittsburgh , Bakery Square , and

2730-572: Is known as "the Steel City" for its dominant role in the history of the U.S. steel industry . It developed as a vital link of the Atlantic coast and Midwest , as the mineral-rich Allegheny Mountains led to the region being contested by the French and British Empires, Virginians , Whiskey Rebels , and Civil War raiders . For part of the 20th century, Pittsburgh was behind only New York City and Chicago in corporate headquarters employment; it had

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2860-508: Is now known as Washington's Landing, formerly Herr's Island , in what is now the Lawrenceville neighborhood. The first known European to enter the region was the French explorer Robert de La Salle from Quebec during his 1669 expedition down the Ohio River . European pioneers, primarily Dutch, followed in the early 18th century. Michael Bezallion was the first to describe the forks of

2990-672: Is primarily composed of residential neighborhoods and is noteworthy for its well-constructed and architecturally interesting homes. Many buildings date from the 19th century and are constructed of brick or stone and adorned with decorative woodwork, ceramic tile, slate roofs and stained glass. The North Side is also home to attractions such as Acrisure Stadium , PNC Park , Kamin Science Center , National Aviary , Andy Warhol Museum , Mattress Factory art museum, Children's Museum of Pittsburgh , Randyland , Penn Brewery , Allegheny Observatory , and Allegheny General Hospital . The South Side

3120-564: Is referred to as "the Point." The city extends east to include the Oakland and Shadyside sections, which are home to the University of Pittsburgh , Carnegie Mellon University , Chatham University , Carnegie Museum and Library , and many other educational, medical, and cultural institutions. The southern, western, and northern areas of the city are primarily residential. Many Pittsburgh neighborhoods are steeply sloped with two-lane roads. More than

3250-506: Is served by the Port Authority 's light rail system and multiple bridges leading north and south. It is also home to Point Park University and Duquesne University which borders Uptown . The North Side is home to various neighborhoods in transition. The area was once known as Allegheny City and operated as its own independent city until 1907, when it was merged with Pittsburgh despite great protest from its citizens. The North Side

3380-597: Is water. The 80th meridian west passes directly through the city's downtown. The city is on the Allegheny Plateau , within the ecoregion of the Western Allegheny Plateau . The Downtown area (also known as the Golden Triangle) sits where the Allegheny River flows from the northeast and the Monongahela River from the southeast to form the Ohio River . The convergence is at Point State Park and

3510-567: The Allegheny Mountains . The Great Fire of Pittsburgh destroyed over a thousand buildings in 1845. The city rebuilt with the aid of Irish immigrants who came to escape the Great Famine . By 1857, Pittsburgh's 1,000 factories were consuming 22 million coal bushels yearly. Coal mining and iron manufacturing attracted waves of European immigrants to the area, with the most coming from Germany . Because Pennsylvania had been established as

3640-587: The Anglo-Cherokee War in 1758. In 1758, the Province of Pennsylvania successfully negotiated the Treaty of Easton in which a number of tribes in the Ohio Country promised neutrality in exchange for land concessions and other considerations. Most of the other northern tribes sided with the French, their primary trading partner and supplier of arms. The Creeks and Cherokees were subject to diplomatic efforts by both

3770-479: The Battle of Fort Bull , French forces destroyed the fort and large quantities of supplies, including 45,000 pounds of gunpowder. They set back any British hopes for campaigns on Lake Ontario and endangered the Oswego garrison, already short on supplies. French forces in the Ohio valley also continued to intrigue with Indians throughout the area, encouraging them to raid frontier settlements. This led to ongoing alarms along

3900-511: The Delaware River to catch the Hessian garrison by surprise during the Battle of Trenton on the morning of December 26, 1776. Most of this battlefield is now occupied by downtown Trenton. For the remainder of that conflict it was occupied by whichever force controlled Trenton, including at various times British and American Continental Army troops. In the later stages of the war it was used as

4030-753: The Edgar Thomson Steel Works in North Braddock, Pennsylvania , which evolved into the Carnegie Steel Company . He adopted the Bessemer process to increase production. Manufacturing was key to growth of Pittsburgh and the surrounding region. Railroad lines were built into the city along both rivers, increasing transportation access to important markets. In 1901, J. P. Morgan and attorney Elbert H. Gary merged Carnegie Steel Company and several other companies into U.S. Steel . By 1910, Pittsburgh

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4160-598: The Illinois Country , hugging the east side of the Mississippi River and its tributaries. French fur traders and trappers traveled throughout the St. Lawrence and Mississippi watersheds, did business with local Indian tribes, and often married Indian women. Traders married daughters of chiefs, creating high-ranking unions. British settlers outnumbered the French 20 to 1 with a population of about 1.5 million ranged along

4290-521: The Iroquois , Catawba , and Cherokee tribes, and the French colonists were supported by Wabanaki Confederacy members Abenaki and Mi'kmaq , and the Algonquin , Lenape , Ojibwa , Ottawa , Shawnee , and Wyandot (Huron). Fighting took place primarily along the frontiers between New France and the British colonies, from the Province of Virginia in the south to Newfoundland in the north. It began with

4420-584: The Iroquois Confederacy in the area, and he was made a colonel of the Iroquois in 1746; he was later commissioned as a colonel of the Western New York Militia. The Indian representatives and Johnson met with Governor George Clinton and officials from some of the other American colonies at Albany, New York . Mohawk Chief Hendrick was the speaker of their tribal council, and he insisted that

4550-599: The Iroquois Confederacy , based in New York, had maintained control of much of the Ohio Valley as hunting grounds by right of conquest after defeating other tribes. By the terms of the 1768 Treaty of Fort Stanwix , the Penns were allowed to purchase the modern region from the Iroquois . A 1769 survey referenced the future city as the "Manor of Pittsburgh". Both the Colony of Virginia and

4680-483: The Köppen climate classification , Pittsburgh falls within either a hot-summer humid continental climate ( Dfa ) if the 0 °C (32 °F) isotherm is used or a humid subtropical climate ( Cfa ) if the −3 °C (27 °F) isotherm is used. Summers are hot and winters are moderately cold with wide variations in temperature. Despite this, it has one of the most pleasant summer climates between medium and large cities in

4810-645: The Navigation Act 1756 , and the Continuance of Laws Act 1756 . England passed the Naval Prize Act 1756 following the proclamation of war on May 17 to allow the capture of ships and establish privateering. The French acquired a copy of the British war plans, including the activities of Shirley and Johnson. Shirley's efforts to fortify Oswego were bogged down in logistical difficulties, exacerbated by his inexperience in managing large expeditions. In conjunction, he

4940-544: The Ohio River . It anchors the Pittsburgh metropolitan area , which had a population of 2.457 million residents and is the largest metro area in both the Ohio Valley and Appalachia , the second-largest in Pennsylvania , and the 26th-largest in the U.S. Pittsburgh is the principal city of the greater Pittsburgh–Weirton–Steubenville combined statistical area which includes parts of Ohio and West Virginia . Pittsburgh

5070-705: The Pittsburgh Post-Gazette was started, and in 1787, the Pittsburgh Academy was chartered. Unrest during the Whiskey Rebellion of 1794 resulted in federal troops being sent to the area. By 1797, glass manufacture began, while the population grew to around 1,400. Settlers arrived after crossing the Appalachian Mountains or through the Great Lakes . Fort Pitt (now Pittsburgh) at the source of

5200-461: The Pittsburgh Zoo and PPG Aquarium. The neighborhoods of Shadyside and Squirrel Hill are large, wealthy neighborhoods with some apartments and condos, and pedestrian-oriented shopping/business districts. Squirrel Hill is also known as the hub of Jewish life in Pittsburgh, home to approximately 20 synagogues. Oakland , heavily populated by undergraduate and graduate students, is home to most of

5330-606: The Province of New York during 1755–57 due to a combination of poor management, internal divisions, effective Canadien scouts, French regular forces, and Native warrior allies. In 1755, the British captured Fort Beauséjour on the border separating Nova Scotia from Acadia , and they ordered the expulsion of the Acadians (1755–64) soon afterwards. Orders for the deportation were given by Commander-in-Chief William Shirley without direction from Great Britain. The Acadians were expelled, both those captured in arms and those who had sworn

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5460-468: The Province of Pennsylvania claimed the region under their colonial charters until 1780, when they agreed under a federal initiative to extend the Mason–Dixon line westward, placing Pittsburgh in Pennsylvania. On March 8, 1771, Bedford County, Pennsylvania was created to govern the frontier. On April 16, 1771, the city's first civilian local government was created as Pitt Township . William Teagarden

5590-445: The nuclear navy . In the private sector, Pittsburgh-based PNC is the nation's fifth-largest bank, and the city is home to ten Fortune 500 companies and seven of the largest 300 U.S. law firms. Other corporations that have regional headquarters and offices have helped Pittsburgh become the sixth-best area for U.S. job growth. Pittsburgh is sometimes called the "City of Bridges" for its 446 bridges . Its rich industrial history left

5720-505: The successful attack on Oswego in August. In the aftermath, Montcalm and the Indians under his command disagreed about the disposition of prisoners' personal effects. The Europeans did not consider them prizes and prevented the Indians from stripping the prisoners of their valuables, which angered the Indians. Pittsburgh Pittsburgh ( / ˈ p ɪ t s b ɜːr ɡ / PITS -burg )

5850-481: The 1740s during the reign of King George II , so British colonists named this conflict after their opponents, and it became known as the French and Indian War . This continues as the standard name for the war in the United States, although indigenous peoples fought on both sides of the conflict. It also led into the Seven Years' War overseas, a much larger conflict between France and Great Britain that did not involve

5980-571: The 1850 Fugitive Slave Act , as it required cooperation from law enforcement even in free states and increased penalties. From 1850 to 1860, the black population in Allegheny County dropped from 3,431 to 2,725 as people headed to more safety in Canada. The American Civil War boosted the city's economy with increased iron and armament demand by the Union. Andrew Carnegie began steel production in 1875 at

6110-585: The American colonies; some historians make a connection between the French and Indian War and the Seven Years' War overseas, but most residents of the United States consider them as two separate conflicts—only one of which involved the American colonies, and American historians generally use the traditional name. Less frequently used names for the war include the Fourth Intercolonial War and the Great War for

6240-456: The Atlantic coast of the continent from Nova Scotia and the Colony of Newfoundland in the north to the Province of Georgia in the south. Many of the older colonies' land claims extended arbitrarily far to the west, as the extent of the continent was unknown at the time when their provincial charters were granted. Their population centers were along the coast, but the settlements were growing into

6370-511: The Austrian Succession ended in 1748 with the signing of the Treaty of Aix-la-Chapelle , which was primarily focused on resolving issues in Europe. The issues of conflicting territorial claims between British and French colonies were turned over to a commission, but it reached no decision. Frontier areas were claimed by both sides, from Nova Scotia and Acadia in the north to the Ohio Country in

6500-640: The British abide by their obligations and block French expansion. Clinton did not respond to his satisfaction, and Hendrick said that the " Covenant Chain " was broken, a long-standing friendly relationship between the Iroquois Confederacy and the British Crown. Governor Robert Dinwiddie of Virginia was an investor in the Ohio Company, which stood to lose money if the French held their claim. He ordered 21-year-old Major George Washington (whose brother

6630-481: The British encampment at Fort Edward at the upper end of navigation on the Hudson River , but Johnson had strongly fortified it, and Dieskau's Indian support was reluctant to attack. The two forces finally met in the bloody Battle of Lake George between Fort Edward and Fort William Henry . The battle ended inconclusively, with both sides withdrawing from the field. Johnson's advance stopped at Fort William Henry, and

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6760-489: The British, since René-Robert Cavelier, Sieur de La Salle had explored the Ohio Country nearly a century earlier. Washington's party left Fort Le Boeuf early on December 16 and arrived in Williamsburg on January 16, 1754. He stated in his report, "The French had swept south", detailing the steps which they had taken to fortify the area, and their intention to fortify the confluence of the Allegheny and Monongahela rivers. Even before Washington returned, Dinwiddie had sent

6890-479: The British. Marin followed the route that Céloron had mapped out four years earlier. Céloron, however, had limited the record of French claims to the burial of lead plates, whereas Marin constructed and garrisoned forts. He first constructed Fort Presque Isle on Lake Erie's south shore near Erie, Pennsylvania , and he had a road built to the headwaters of LeBoeuf Creek . He then constructed a second fort at Fort Le Boeuf in Waterford, Pennsylvania , designed to guard

7020-428: The Canadians attacked under the command of Jumonville's brother at the Battle of Fort Necessity on July 3. Washington surrendered and negotiated a withdrawal under arms. One of his men reported that the Canadian force was accompanied by Shawnee , Delaware , and Mingo warriors—just those whom Tanaghrisson was seeking to influence. News of the two battles reached England in August. After several months of negotiations,

7150-399: The Central, North Side/North Hills, South Side/South Hills, East End, and West End. Downtown Pittsburgh has 30 skyscrapers, nine of which top 500 feet (150 m). The U.S. Steel Tower is the tallest, at 841 ft (256 m). The Cultural District consists of a 14-block area of downtown along the Allegheny River . This district contains many theaters and arts venues and is home to

7280-414: The Elder , while the settlement was named "Pittsborough". During Pontiac's War , a loose confederation of Native American tribes laid siege to Fort Pitt in 1763; the siege was eventually lifted after Colonel Henry Bouquet defeated a portion of the besieging force at the Battle of Bushy Run . Bouquet strengthened the defenses of Fort Pitt the next year. During this period, the powerful nations of

7410-441: The Empire . In Europe, the French and Indian War is conflated into the Seven Years' War and not given a separate name. "Seven Years" refers to events in Europe, from the official declaration of war in 1756—two years after the French and Indian War had started—to the signing of the peace treaty in 1763. The French and Indian War in America, by contrast, was largely concluded in six years from the Battle of Jumonville Glen in 1754 to

7540-403: The English. I don't know in what way they could be brought back." Even before his return to Montreal, reports on the situation in the Ohio Country were making their way to London and Paris, each side proposing that action be taken. Massachusetts governor William Shirley was particularly forceful, stating that British colonists would not be safe as long as the French were present. The War of

7670-432: The French and British to gain either their support or neutrality in the conflict. At this time, Spain claimed only the province of Florida in eastern America. It controlled Cuba and other territories in the West Indies that became military objectives in the Seven Years' War. Florida's European population was a few hundred, concentrated in St. Augustine . There were no French regular army troops stationed in America at

7800-414: The French claims on the territory and told them to leave. Céloron's expedition arrived at Logstown where the Indians in the area informed him that they owned the Ohio Country and that they would trade with the British colonists regardless of the French. He continued south until his expedition reached the confluence of the Ohio and the Miami rivers, which lay just south of the village of Pickawillany ,

7930-432: The French colonists used their trading connections to recruit fighters from tribes in western portions of the Great Lakes region , which was not directly subject to the conflict between the French and British; these included the Hurons , Mississaugas , Ojibwas , Winnebagos , and Potawatomi . The British colonists were supported in the war by the Iroquois Six Nations and also by the Cherokees, until differences sparked

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8060-400: The French fleet had already sailed. Admiral Edward Hawke detached a fast squadron to North America in an attempt to intercept them. In a second British action, Admiral Edward Boscawen fired on the French ship Alcide on June 8, 1755, capturing her and two troop ships. The British harassed French shipping throughout 1755, seizing ships and capturing seamen. These actions contributed to

8190-417: The French forces after Marin died on October 29, and he invited Washington to dine with him. Over dinner, Washington presented Saint-Pierre with the letter from Dinwiddie demanding an immediate French withdrawal from the Ohio Country. Saint-Pierre said, "As to the Summons you send me to retire, I do not think myself obliged to obey it." He told Washington that France's claim to the region was superior to that of

8320-419: The French war party attacked the trading center at Pickawillany, capturing three traders and killing 14 Miami Indians, including Old Briton. He was reportedly ritually cannibalized by some Indians in the expedition party. In the spring of 1753, Paul Marin de la Malgue was given command of a 2,000-man force of Troupes de la Marine and Indians. His orders were to protect the King's land in the Ohio Valley from

8450-403: The French with military action, which Marin contemptuously dismissed. The Iroquois sent runners to the manor of William Johnson in upstate New York, who was the British Superintendent for Indian Affairs in the New York region and beyond. Johnson was known to the Iroquois as Warraghiggey , meaning "he who does great things." He spoke their languages and had become a respected honorary member of

8580-430: The French withdrew to Ticonderoga Point, where they began the construction of Fort Carillon (later renamed Fort Ticonderoga after the British captured it in 1759). Colonel Monckton captured Fort Beauséjour in June 1755 in the sole British success that year, cutting off the French Fortress Louisbourg from land-based reinforcements. To cut vital supplies to Louisbourg, Nova Scotia's Governor Charles Lawrence ordered

8710-437: The French, with whom they had long trading relationships. One of Tanaghrisson's men told Contrecoeur that Jumonville had been killed by British musket fire. Historians generally consider the Battle of Jumonville Glen as the opening battle of the French and Indian War in North America, and the start of hostilities in the Ohio valley. Following the battle, Washington pulled back several miles and established Fort Necessity , which

8840-428: The Monongahela House in 1850, apparently to freedom. The Merchant's Hotel was also a place where African-American workers would advise slaves the state was free and aid them in getting to nearby stations of the Underground Railroad. Sometimes refugee slaves from the South stayed in Pittsburgh, but other times they continued North, including into Canada. Many slaves left the city and county for Canada after Congress passed

8970-399: The North American front of the Seven Years' War , began with the future Pittsburgh as its center. British General Edward Braddock was dispatched with Major George Washington as his aide to take Fort Duquesne. The British and colonial force were defeated at Braddock's Field . General John Forbes finally took the forks in 1758. He began construction on Fort Pitt , named after William Pitt

9100-432: The North Side, and the Golden Triangle are characterized by more density of housing, walking neighborhoods, and a more diverse, urban feel. Pittsburgh falls within the borders of the Northeastern United States as defined by multiple US Government agencies. Pittsburgh is the principal city of the Pittsburgh Combined Statistical Area , a combined statistical area defined by the U.S. Census Bureau . Pittsburgh falls within

9230-449: The Ohio River became the main base for settlers moving into the Northwest Territory . The federal government recognizes Pittsburgh as the starting point for the Lewis and Clark Expedition . Preparations began in Pittsburgh in 1803 when Meriwether Lewis purchased a keelboat that would later be used to ascend the Missouri River . The War of 1812 cut off the supply of British goods, stimulating American industry. By 1815, Pittsburgh

9360-504: The Ohio headwaters was long inhabited by the Shawnee and several other settled groups of Native Americans . Shannopin's Town was an 18th-century Lenape (Delaware) town located roughly from where Penn Avenue is today, below the mouth of Two Mile Run, from 30th Street to 39th Street. According to George Croghan , the town was situated on the south bank of the Allegheny, nearly opposite what

9490-452: The Ohio in a 1717 manuscript, and later that year European fur traders established area posts and settlements. In 1749, French soldiers from Quebec launched an expedition to the forks to unite Canada with French Louisiana via the rivers. During 1753–1754, the British hastily built Fort Prince George before a larger French force drove them off. The French built Fort Duquesne based on LaSalle's 1669 claims. The French and Indian War ,

9620-555: The Ohio territories prompted Longueuil to dispatch another expedition to the area under the command of Charles Michel de Langlade , an officer in the Troupes de la Marine. Langlade was given 300 men, including French-Canadians and warriors of the Ottawa tribe . His objective was to punish the Miami people of Pickawillany for not following Céloron's orders to cease trading with the British. On June 21,

9750-541: The St. Lawrence, continued along the northern shore of Lake Ontario , crossed the portage at Niagara, and followed the southern shore of Lake Erie . At the Chautauqua Portage near Barcelona, New York , the expedition moved inland to the Allegheny River , which it followed to the site of Pittsburgh . There Céloron buried lead plates engraved with the French claim to the Ohio Country. Whenever he encountered British colonial merchants or fur-traders, he informed them of

9880-477: The U.S. The city lies in the USDA plant hardiness zone 6b except along the rivers where the zone is 7a. The area has four distinct seasons: winters are cold and snowy, springs and falls are mild with moderate levels of sunshine, and summers are warm. As measured by percent possible sunshine, summer is by far the sunniest season, though annual sunshine is low among major US cities at well under 50%. The warmest month of

10010-399: The air and the rivers. The "Renaissance II" project followed in 1977, focused on cultural and neighborhood development. The industrial base continued to expand through the 1970s, but beginning in the early 1980s both the area's steel and electronics industries imploded during national industrial restructuring. There were massive layoffs from mill and plant closures. In the later 20th century,

10140-425: The area shifted its economic base to education, tourism, and services, largely based on healthcare/medicine, finance, and high technology such as robotics. Although Pittsburgh successfully shifted its economy and remained viable, the city's population has never rebounded to its industrial-era highs. While 680,000 people lived in the city proper in 1950, a combination of suburbanization and economic turbulence resulted in

10270-585: The area with renowned cultural institutions, including the Carnegie Museums of Pittsburgh , Pittsburgh Parks Conservancy , Pittsburgh Zoo & Aquarium , Phipps Conservatory and Botanical Gardens , the National Aviary , and a diverse cultural district . The city's major league professional sports teams include the Pittsburgh Steelers , Pittsburgh Penguins , and Pittsburgh Pirates . Pittsburgh

10400-528: The borders of Appalachia as defined by the Appalachian Regional Commission , and has long been characterized as the "northern urban industrial anchor of Appalachia." In its post-industrial state, Pittsburgh has been characterized as the "Paris of Appalachia", recognizing the city's cultural, educational, healthcare, and technological resources, and is the largest city in Appalachia. Under

10530-620: The building to preserve it. The state bought the other part and formed a museum in 1914 which continues to be open and supported by the State of New Jersey. The museum is open to visitors year round, Monday–Saturday, and is known for the annual Battle of Trenton Reenactments. [REDACTED] Media related to Old Barracks (Trenton, New Jersey) at Wikimedia Commons French and Indian War [REDACTED]   Great Britain [REDACTED]   France [REDACTED] Wabanaki Confederacy The French and Indian War (1754–1763)

10660-634: The campaigns to expel the Acadians ranging around the Bay of Fundy , on the Petitcodiac and St. John rivers, and Île Saint-Jean . Following the death of Braddock, William Shirley assumed command of British forces in North America, and he laid out his plans for 1756 at a meeting in Albany in December 1755. He proposed renewing the efforts to capture Niagara, Crown Point, and Duquesne, with attacks on Fort Frontenac on

10790-568: The capture of Montreal in 1760. Canadians conflate both the European and American conflicts into the Seven Years' War ( Guerre de Sept Ans ). French Canadians also use the term "War of Conquest" ( Guerre de la Conquête ), since it is the war in which New France was conquered by the British and became part of the British Empire. In Quebec, this term was promoted by popular historians Jacques Lacoursière and Denis Vaugeois , who borrowed from

10920-629: The city of Quebec (1759). The following year the British were victorious in the Montreal Campaign in which the French ceded Canada in accordance with the Treaty of Paris (1763) . France also ceded its territory east of the Mississippi to Great Britain, as well as French Louisiana west of the Mississippi River to its ally Spain in compensation for Spain's loss to Britain of Spanish Florida . (Spain had ceded Florida to Britain in exchange for

11050-481: The city's population. Pittsburgh also became a main destination of the African-American Great Migration from the rural South during the first half of the 20th century. Limited initially by discrimination, some 95% percent of the men became unskilled steel workers. During World War II , demand for steel increased and area mills operated 24 hours a day to produce 95 million tons of steel for

11180-595: The city's rivers and hollows. The Great Allegheny Passage and Chesapeake and Ohio Canal Towpath connect the city directly to downtown Washington, D.C. (some 335 miles [539 km] away) with a continuous bike/running trail. The city consists of the Downtown area, called the Golden Triangle, and four main areas surrounding it. These surrounding areas are subdivided into distinct neighborhoods (Pittsburgh has 90 neighborhoods). Relative to downtown, these areas are known as

11310-542: The colonial administrations. New France's Governor-General Roland-Michel Barrin de La Galissonière was concerned about the incursion and expanding influence in the Ohio Country of British colonial traders such as George Croghan . In June 1747, he ordered Pierre-Joseph Céloron to lead a military expedition through the area. Its objectives were: Céloron's expedition force consisted of about 200 Troupes de la marine and 30 Indians, and they covered about 3,000 miles (4,800 km) between June and November 1749. They went up

11440-571: The colonies at a time when France was unwilling to risk large convoys to aid the limited forces that they had in New France, preferring to concentrate their forces against Prussia and its allies who were now engaged in the Seven Years' War in Europe. The conflict in Ohio ended in 1758 with the British–American victory in the Ohio Country. Between 1758 and 1760, the British military launched a campaign to capture French Canada . They succeeded in capturing territory in surrounding colonies and ultimately

11570-476: The community and various developers to create a master plan for a mixed-use development that included a riverfront park, office space, housing, health-care facilities, and indoor practice fields for the Pittsburgh Steelers and Pitt Panthers . Construction of the development began in 1998. The SouthSide Works has been open since 2005, featuring many stores, restaurants, offices, and the world headquarters for American Eagle Outfitters . The East End of Pittsburgh

11700-512: The delegates agreed to was neither ratified by the colonial legislatures nor approved by the Crown. Nevertheless, the format of the congress and many specifics of the plan became the prototype for confederation during the War of Independence . The British formed an aggressive plan of operations for 1755. General Braddock was to lead the expedition to Fort Duquesne, while Massachusetts governor William Shirley

11830-717: The deportation of the French-speaking Acadian population from the area. Monckton's forces, including companies of Rogers' Rangers , forcibly removed thousands of Acadians, chasing down many who resisted and sometimes committing atrocities. Cutting off supplies to Louisbourg led to its demise. The Acadian resistance was sometimes quite stiff, in concert with Indian allies including the Mi'kmaq, with ongoing frontier raids against Dartmouth and Lunenburg , among others. The only clashes of any size were at Petitcodiac in 1755 and at Bloody Creek near Annapolis Royal in 1757, other than

11960-464: The downtown skyline, and numerous other residential neighborhoods such as Sheraden and Elliott . Many of Pittsburgh's patchwork of neighborhoods still retain ethnic characters reflecting the city's settlement history. These include: Several neighborhoods on the edges of the city are less urban, featuring tree-lined streets, yards and garages, with a more suburban character. Oakland, the South Side,

12090-505: The eastern portions of the province of Canada , as well as much of Maine. The Iroquois Confederation dominated much of upstate New York and the Ohio Country , although Ohio also included Algonquian -speaking populations of Delaware and Shawnee , as well as Iroquoian -speaking Mingos . These tribes were formally under Iroquois rule and were limited by them in their authority to make agreements. The Iroquois Confederation initially held

12220-524: The eventual formal declarations of war in spring 1756. An early important political response to the opening of hostilities was the convening of the Albany Congress in June and July, 1754. The goal of the congress was to formalize a unified front in trade and negotiations with the Indians, since the allegiance of the various tribes and nations was seen to be pivotal in the war that was unfolding. The plan that

12350-596: The government of the Duke of Newcastle decided to send an army expedition the following year to dislodge the French. They chose Major General Edward Braddock to lead the expedition. Word of the British military plans leaked to France well before Braddock's departure for North America. In response, King Louis XV dispatched six regiments to New France under the command of Baron Dieskau in 1755. The British sent out their fleet in February 1755, intending to blockade French ports, but

12480-465: The headwaters of LeBoeuf Creek. As he moved south, he drove off or captured British traders, alarming both the British and the Iroquois. Tanaghrisson was a chief of the Mingo Indians, who were remnants of Iroquois and other tribes who had been driven west by colonial expansion. He intensely disliked the French whom he accused of killing and eating his father. He traveled to Fort Le Boeuf and threatened

12610-437: The highest appreciation of the largest 25 metropolitan statistical areas in the United States, with 22 of the largest 25 metropolitan statistical areas experiencing depreciations in housing values. In September 2009, the 2009 G20 Pittsburgh summit was held in Pittsburgh. Pittsburgh has an area of 58.3 square miles (151 km ), of which 55.6 square miles (144 km ) is land and 2.8 square miles (7.3 km ), or 4.75%,

12740-592: The home of the Miami chief known as " Old Briton ". Céloron threatened Old Briton with severe consequences if he continued to trade with British colonists, but Old Briton ignored the warning. Céloron returned disappointedly to Montreal in November 1749. Céloron wrote an extensively detailed report. "All I can say is that the Natives of these localities are very badly disposed towards the French," he wrote, "and are entirely devoted to

12870-765: The ideas of Maurice Séguin in considering this war as a dramatic tipping point of French Canadian identity and nationhood. At this time, North America east of the Mississippi River was largely claimed by either Great Britain or France. Large areas had no colonial settlements. The French population numbered about 75,000 and was heavily concentrated along the St. Lawrence River valley, with some also in Acadia (present-day New Brunswick and parts of Nova Scotia ), including Île Royale ( Cape Breton Island ). Fewer lived in New Orleans ; Biloxi, Mississippi ; Mobile, Alabama ; and small settlements in

13000-671: The interior. The British captured Nova Scotia from France in 1713, which still had a significant French-speaking population. Britain also claimed Rupert's Land where the Hudson's Bay Company traded for furs with local Indian tribes. Between the French and British colonists, large areas were dominated by Indian tribes. To the north, the Mi'kmaq and the Abenakis were engaged in Father Le Loutre's War and still held sway in parts of Nova Scotia, Acadia, and

13130-498: The loyalty oath to the king. Natives likewise were driven off the land to make way for settlers from New England. The British Pitt government fell due to disastrous campaigns in 1757, including a failed expedition against Louisbourg and the Siege of Fort William Henry ; this last was followed by the Natives torturing and massacring their colonial victims. William Pitt came to power and significantly increased British military resources in

13260-480: The morning of May 28 in what became known as the Battle of Jumonville Glen . They killed many of the Canadiens, including their commanding officer Joseph Coulon de Jumonville , whose head was reportedly split open by Tanaghrisson with a tomahawk. Historian Fred Anderson suggests that Tanaghrisson was acting to gain the support of the British and to regain authority over his own people. They had been inclined to support

13390-435: The most U.S. stockholders per capita. Deindustrialization in the late 20th century resulted in massive layoffs among blue-collar workers as steel and other heavy industries declined, coinciding with several Pittsburgh-based corporations moving out of the city. However, the city divested from steel and, since the 1990s, Pittsburgh has focused its energies on the healthcare, education, and technology industries. Pittsburgh

13520-685: The north shore of Lake Ontario and an expedition through the wilderness of the Maine district and down the Chaudière River to attack the city of Quebec . His plan, however, got bogged down by disagreements and disputes with others, including William Johnson and New York's Governor Sir Charles Hardy , and consequently gained little support. Newcastle replaced him in January 1756 with Lord Loudoun , with Major General James Abercrombie as his second in command. Neither of these men had as much campaign experience as

13650-482: The onset of war. New France was defended by about 3,000 troupes de la marine , companies of colonial regulars (some of whom had significant woodland combat experience). The colonial government recruited militia support when needed. The British had few troops. Most of the British colonies mustered local militia companies to deal with Indian threats, generally ill trained and available only for short periods, but they did not have any standing forces. Virginia, by contrast, had

13780-495: The record cold daily maximum is −3 °F (−19 °C), which occurred three times, most recently the day of the all-time record low, while, conversely, the record warm daily minimum is 82 °F (28 °C) on July 1, 1901. Due to elevation and location on the windward side of the Appalachian Mountains, 100 °F (38 °C)+ readings are very rare, and were last seen on July 15, 1995. Average annual precipitation

13910-594: The retreat—two future opponents in the American Revolutionary War . The British government initiated a plan to increase their military capability in preparation for war following news of Braddock's defeat and the start of parliament's session in November 1755. Among the early legislative measures were the Recruiting Act 1756 , the Commissions to Foreign Protestants Act 1756 for the Royal American Regiment ,

14040-460: The return of Havana , Cuba.) France's colonial presence north of the Caribbean was reduced to the islands of Saint Pierre and Miquelon , confirming Great Britain's position as the dominant colonial power in northern America . In British America, wars were often named after the sitting British monarch, such as King William's War or Queen Anne's War . There had already been a King George's War in

14170-586: The south. The disputes also extended into the Atlantic Ocean , where both powers wanted access to the rich fisheries of the Grand Banks off Newfoundland . In 1749, the British government gave land to the Ohio Company of Virginia for the purpose of developing trade and settlements in the Ohio Country. The grant required that it settle 100 families in the territory and construct a fort for their protection. But

14300-548: The territory was also claimed by Pennsylvania, and both colonies began pushing for action to improve their respective claims. In 1750, Christopher Gist explored the Ohio territory, acting on behalf of both Virginia and the company, and he opened negotiations with the Indian tribes at Logstown. He completed the 1752 Treaty of Logstown in which the local Indians agreed to terms through their "Half-King" Tanacharison and an Iroquois representative. These terms included permission to build

14430-452: The trio of officers whom France sent to North America. French regular army reinforcements arrived in New France in May 1756, led by Major General Louis-Joseph de Montcalm and seconded by the Chevalier de Lévis and Colonel François-Charles de Bourlamaque, all experienced veterans from the War of the Austrian Succession . On May 17, 1756, Britain formally declared war on France, which expanded

14560-852: The universities, and the Petersen Events Center . The Strip District to the west along the Allegheny River is an open-air marketplace by day and a clubbing destination by night. Bloomfield is Pittsburgh's Little Italy and is known for its Italian restaurants and grocers. Lawrenceville is a revitalizing rowhouse neighborhood popular with artists and designers. The Hill District was home to photographer Charles Harris as well as various African-American jazz clubs. Other East End neighborhoods include Point Breeze , Regent Square , Highland Park , Homewood , Lincoln-Lemington-Belmar , Larimer , East Hills , East Liberty , Polish Hill , Hazelwood , Garfield, Morningside, and Stanton Heights. The West End includes Mt. Washington , with its famous view of

14690-552: The value of homes in the South Side had increased in value by about 10% annually for the 10 years leading up to 2014. East Carson Street has developed as one of the most vibrant areas of the city, packed with diverse shopping, ethnic eateries, vibrant nightlife, and live music venues. In 1993, the Urban Redevelopment Authority of Pittsburgh purchased the South Side Works steel mill property. It collaborated with

14820-400: The war effort. This resulted in the highest levels of air pollution in the city's almost century of industry. The city's reputation as the "arsenal of democracy" was being overshadowed by James Parton 's 1868 observation of Pittsburgh being "hell with the lid off." Following World War II, the city launched a clean air and civic revitalization project known as the "Renaissance," cleaning up

14950-518: The war into Europe and came to be known as the Seven Years' War . Governor Vaudreuil had ambitions to become the French commander in chief, in addition to his role as governor, and he acted during the winter of 1756 before those reinforcements arrived. Scouts had reported the weakness of the British supply chain, so he ordered an attack against the forts which Shirley had erected at the Oneida Carry. In

15080-521: The war, in 1756, Great Britain declared war on France, beginning the worldwide Seven Years' War. Many view the French and Indian War as being merely the American theater of this conflict; however, in the United States the French and Indian War is viewed as a singular conflict which was not associated with any European war. French Canadians call it the guerre de la Conquête ('War of the Conquest'). The British colonists were supported at various times by

15210-556: The western frontiers, with streams of refugees returning east to get away from the action. The new British command was not in place until July. Abercrombie arrived in Albany but refused to take any significant actions until Loudoun approved them, and Montcalm took bold action against his inertia. He built on Vaudreuil's work harassing the Oswego garrison and executed a strategic feint by moving his headquarters to Ticonderoga, as if to presage another attack along Lake George. With Abercrombie pinned down at Albany, Montcalm slipped away and led

15340-604: The year in Pittsburgh is July, with a 24-hour average of 73.2 °F (22.9 °C). Conditions are often humid, and combined with highs reaching 90 °F (32 °C) on an average 9.5 days a year, a considerable heat index arises. The coolest month is January, when the 24-hour average is 28.8 °F (−1.8 °C), and lows of 0 °F (−18 °C) or below can be expected on an average 2.6 nights per year. Officially, record temperatures range from −22 °F (−30 °C), on January 19, 1994 to 103 °F (39 °C), which occurred three times, most recently on July 16, 1988;

15470-546: Was a theater of the Seven Years' War , which pitted the North American colonies of the British Empire against those of the French , each side being supported by various Native American tribes. At the start of the war, the French colonies had a population of roughly 60,000 settlers, compared with 2 million in the British colonies. The outnumbered French particularly depended on their native allies. Two years into

15600-409: Was a disaster. It was attacked by French regulars, Canadian Militiamen , and Indian warriors ambushing them from hiding places up in trees and behind logs, and Braddock called for a retreat. He was killed and approximately 1,000 British soldiers were killed or injured. The remaining 500 British troops retreated to Virginia, led by Washington. Washington and Thomas Gage played key roles in organizing

15730-504: Was another Ohio Company investor) of the Virginia Regiment to warn the French to leave Virginia territory in October 1753. Washington left with a small party, picking up Jacob Van Braam as an interpreter, Christopher Gist (a company surveyor working in the area), and a few Mingos led by Tanaghrisson. On December 12, Washington and his men reached Fort Le Boeuf. Jacques Legardeur de Saint-Pierre succeeded Marin as commander of

15860-469: Was better organized than Shirley's, which was noticed by New France's governor the Marquis de Vaudreuil . Vaudreuil had been concerned about the extended supply line to the forts on the Ohio, and he had sent Baron Dieskau to lead the defenses at Frontenac against Shirley's expected attack. Vaudreuil saw Johnson as the larger threat and sent Dieskau to Fort St. Frédéric to meet that threat. Dieskau planned to attack

15990-486: Was federally recognized as "Pittsburg", though use of the final h was retained during this period by the city government and other local organizations. After a public campaign, the federal decision to drop the h was reversed. The Pittsburg Press continued spelling the city without an h until 1921. [REDACTED]   Kingdom of France 1690s–1763 [REDACTED]   Great Britain 1681–1781 [REDACTED]   United States 1776–present The area of

16120-533: Was given the task of fortifying Fort Oswego and attacking Fort Niagara . Sir William Johnson was to capture Fort St. Frédéric at Crown Point, New York , and Lieutenant Colonel Robert Monckton was to capture Fort Beauséjour to the east on the frontier between Nova Scotia and Acadia. Braddock led about 1,500 army troops and provincial militia on the Braddock expedition in June 1755 to take Fort Duquesne, with George Washington as one of his aides. The expedition

16250-528: Was incorporated as a borough on April 22, 1794, with the following Act: "Be it enacted by the Pennsylvania State Senate and Pennsylvania House of Representatives of the Commonwealth of Pennsylvania ... by the authority of the same, that the said town of Pittsburgh shall be ... erected into a borough, which shall be called the borough of Pittsburgh for ever." From 1891 to 1911, the city's name

16380-520: Was made aware that the French were massing for an attack on Fort Oswego in his absence when he planned to attack Fort Niagara. As a response, he left garrisons at Oswego, Fort Bull , and Fort Williams, the last two located on the Oneida Carry between the Mohawk River and Wood Creek at Rome, New York . Supplies were cached at Fort Bull for use in the projected attack on Niagara. Johnson's expedition

16510-506: Was once the site of railyards and associated dense, inexpensive housing for mill and railroad workers. Starting in the late 20th century, the city undertook a Main Street program in cooperation with the National Trust for Historic Preservation , encouraging design and landscape improvements on East Carson Street, and supporting new retail. The area has become a local Pittsburgher destination, and

16640-530: Was producing significant quantities of iron, brass, tin, and glass. On March 18, 1816, the 46-year-old local government became a city. It was served by numerous river steamboats that increased trading traffic on the rivers. In the 1830s, many Welsh people from the Merthyr steelworks immigrated to the city following the aftermath of the Merthyr Rising . By the 1840s, Pittsburgh was one of the largest cities west of

16770-617: Was the nation's eighth-largest city , accounting for between one-third and one-half of national steel output. The Pittsburgh Agreement was subscribed in May 1918 between the Czech and Slovak nationalities, as envisioned by T. G. Masaryk , concerning the future foundation of Czechoslovakia . The city suffered severe flooding in March 1936. The city's population swelled to more than a half million, attracting numerous European immigrants to its industrial jobs. By 1940, non-Hispanic whites were 90.6% of

16900-511: Was the first constable, and William Troop was the first clerk. Following the American Revolution , the village of Pittsburgh continued to grow. One of its earliest industries was boat building for settlers of the Ohio Country . In 1784, Thomas Vickroy completed a town plan which was approved by the Penn family attorney. Pittsburgh became a possession of Pennsylvania in 1785. The following year,

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