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115-625: Although it eventually became a worldwide conflict known as the Seven Years' War , the French and Indian War began on the Pennsylvania frontier as a struggle for control of the Ohio Country . With the surrender of George Washington at Fort Necessity in 1754 and Braddock's defeat in 1755, the settlers on the Pennsylvania frontier were without professional military protection, and scrambled to organize

230-519: A French Invasion of Hanover . The convention removed Hanover from the war, leaving the western approach to Prussian territory extremely vulnerable. Frederick sent urgent requests to Britain for more substantial assistance, as he was now without any outside military support for his forces in Germany. Things were looking grim for Prussia now, with the Austrians mobilising to attack Prussian-controlled soil and

345-545: A Russian army of 43,000 commanded by Count William Fermor . Both sides suffered heavy casualties—the Prussians 12,800, the Russians 18,000—but the Russians withdrew, and Frederick claimed victory. The American historian Daniel Marston described Zorndorf as a "draw" as both sides were too exhausted and had taken such losses that neither wished to fight another battle with the other. In the undecided Battle of Tornow on 25 September,

460-571: A Swedish army repulsed six assaults by a Prussian army but did not push on Berlin following the Battle of Fehrbellin . Allegheny River The Allegheny River ( / ˌ æ l ɪ ˈ ɡ eɪ n i / AL -ig- AY -nee ) is a 325-mile-long (523 km) tributary of the Ohio River that is located in western Pennsylvania and New York in the United States. It runs from its headwaters just below

575-512: A battle, Russian generals did not wish to risk another battle knowing resupply would be a long time coming. This long-standing weakness was evident in the Russian-Ottoman War of 1735–1739, where Russian battle victories led to only modest war gains due to problems supplying their armies. The Russian quartermasters department had not improved, so the same problems reoccurred in Prussia. Still,

690-531: A combined French and Reichsarmee force under Prince Soubise approaching from the west. The Reichsarmee was a collection of armies from the smaller German states that had banded together to heed the appeal of the Holy Roman Emperor Franz I of Austria against Frederick. However, in November and December 1757, the whole situation in Germany was reversed. First, Frederick devastated Soubise's forces at

805-675: A commander in the Prussian Army), regrouped his army and launched a series of offensives that drove the French back across the River Rhine . Ferdinand's forces kept Prussia's western flank secure for the rest of the war. The British had suffered further defeats in North America, particularly at Fort William Henry . At home, however, stability had been established. Since 1756, successive governments led by Newcastle and Pitt had fallen. In August 1757,

920-531: A defense. The French-allied Indians who had defeated General Edward Braddock at the Monongahela were primarily from the Great Lakes region to the north. The local Indians, mostly Lenape and Shawnee who had migrated to the area after white colonists had settled their lands to the east, had waited to see who would win the contest—they could not risk siding with the loser. With Fort Duquesne now secured,

1035-453: A historical marker that declares the start of the river is located. Cobb Hill is about a mile north. The stream flows southwest paralleling Route 49 to Coudersport. It continues west to Port Allegany then turns north into western New York, looping westward across southern Cattaraugus County for approximately 30 miles (48 km), past Portville , Olean , Allegany and Salamanca and flowing through Seneca Indian Nation lands close to

1150-592: A small French force at Jumonville Glen on 28 May 1754 killing ten, including commander Joseph Coulon de Jumonville . The French retaliated by attacking Washington's army at Fort Necessity on 3 July 1754 and forced Washington to surrender. These were the first engagements of what would become the worldwide Seven Years' War. Britain and France failed to negotiate a solution after receiving news about this in Europe. The two countries eventually sent regular troops to North America to enforce their claims. The first British action

1265-582: A song entitled "Allegheny Lullaby" that detailed life along the Allegheny in late 20th century Rust Belt towns, the river serving as a metaphor for escape. In 2008, Katie Spotz became the first person to swim the entire 325 mi (523 km) of the Allegheny River; she was accompanied by safety kayaker, James Hendershott. The team began at the river's source in Warren, Pennsylvania on July 22 and finished at

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1380-657: A tribe called "Talligewi" who used to live along the river. Frederick Webb Hodge cited Henry Schoolcraft to connect the "Talligewi" to the Cherokee . The following account of the origin of the name Allegheny was given in 1780 by Moravian missionary David Zeisberger : "All this land and region, stretching as far as the creeks and waters that flow into the Alleghene the Delawares called Alligewinenk, which means 'a land into which they came from distant parts'. The river itself, however,

1495-522: A withdrawal. They were met after several miles by a mortally wounded Hogg, who reported that his force had been attacked by a larger Indian force. Some of his men had immediately fled, and most of the rest had been killed. Armstrong and his remaining force marched to Fort Lyttleton to rest. By September 13, they had returned to Fort Loudoun . According to Armstrong's report, he took 11 scalps and freed 11 prisoners, mostly women and children. He estimated that his men killed between 30 and 40 Indians. Many of

1610-575: Is also impounded by the Kinzua Dam in northwestern Pennsylvania, resulting in the Allegheny Reservoir also known as Kinzua Lake and Lake Perfidy among the Seneca. The Seneca Pumped Storage Generating Station is associated with Kinzua Dam. Numerous bridges and tunnels span the river throughout its course. The Allegheny River Tunnel , utilized by Pittsburgh Light Rail , went into service in 2012. In

1725-567: Is called Alligewi Sipo. The whites have made Alleghene out of this, the Six Nations calling the river the Ohio." The Delaware Tribe of Indians gives the Lenape name as Alikehane , "river where footprints can be seen." Native Americans, including the Lenape and Iroquois , considered the Allegheny and Ohio rivers as the same, as is suggested by a New York State road sign on Interstate 86 that refers to

1840-615: Is called the Seven Years' War (1756–1763). In French-speaking Canada, it is known as La guerre de la Conquête (the War of the Conquest ). Swedish historiography uses the name Pommerska kriget (the Pomeranian War ), as the Sweden–Prussia conflict between 1757 and 1762 was limited to Pomerania in northern central Germany. The Third Silesian War involved Prussia and Austria (1756–1763). On

1955-547: The Allegheny and Monongahela rivers meet to form the Ohio River in present-day Pittsburgh , Pennsylvania. Peaceful British attempts to halt this fort construction were unsuccessful, and the French proceeded to build the fort they named Fort Duquesne . British colonial militia from Virginia accompanied by Chief Tanacharison and a small number of Mingo warriors were sent to drive them out. Led by George Washington , they ambushed

2070-434: The Allegheny Reservoir . After re-entering Pennsylvania, the river is joined from the east by Kinzua Creek 10 mi (16 km) upstream of Warren; from the north by Conewango Creek at Warren; from the west by Brokenstraw Creek ; from the east by East Hickory Creek at East Hickory; from the east by Tionesta Creek at Tionesta; from the north by Oil Creek at Oil City; from the west by French Creek at Franklin; from

2185-405: The Battle of Domstadtl that wiped out a supply convoy destined for Olmütz, Frederick broke off the siege and withdrew from Moravia. It marked the end of his final attempt to launch a major invasion of Austrian territory. In January 1758, the Russians invaded East Prussia , where the province, almost denuded of troops, put up little opposition. East Prussia had been occupied by Russian forces over

2300-510: The Battle of Rossbach on 5 November 1757 and then routed a vastly superior Austrian force at the Battle of Leuthen on 5 December 1757. Rossbach was the only battle between the French and the Prussians during the entire war. At Rossbach, the Prussians lost about 548 men killed while the Franco- Reichsarmee force under Soubise lost about 10,000 killed. Frederick always called Leuthen his greatest victory, an assessment shared by many at

2415-620: The Diplomatic Revolution . In the War of the Austrian Succession , which lasted from 1740 to 1748, Prussian King Frederick II , known as Frederick the Great, seized the prosperous province of Silesia from Austria. Empress Maria Theresa of Austria had signed the Treaty of Aix-la-Chapelle in 1748 in order to gain time to rebuild her military forces and forge new alliances. The War of

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2530-622: The Fantastic War . Spain lost Havana in Cuba and Manila in the Philippines to Britain, but they were returned in the 1763 Treaty of Paris . In Europe, the large-scale conflict that drew in most of the European powers was centred on the desire of Austria to recover Silesia from Prussia. The Treaty of Hubertusburg ended the war between Saxony, Austria, and Prussia in 1763. France's supremacy in Europe

2645-550: The North Side , downtown Pittsburgh , and Point State Park . The Allegheny joins with the Monongahela River at the "Point" in downtown Pittsburgh to form the Ohio River . The river is approximately 325 mi (523 km) long, running through the U.S. states of New York and Pennsylvania . It drains a rural dissected plateau of 11,580 sq mi (30,000 km ) in the northern Allegheny Plateau , providing

2760-550: The Treaty of Easton , which enabled a British force under General John Forbes to successfully mount an expedition in 1758 that drove the French from Fort Duquesne. Seven Years%27 War The Seven Years' War (1756–1763) was a global conflict involving most of the European great powers , fought primarily in Europe and the Americas . One of the opposing alliances was led by Great Britain and Prussia . The other alliance

2875-599: The early modern period was characterised by the widespread adoption of firearms in combination with more traditional bladed weapons . Eighteenth-century European armies were built around units of massed infantry armed with smoothbore flintlock muskets and bayonets . Cavalrymen were equipped with sabres and pistols or carbines ; light cavalry were used principally for reconnaissance , screening and tactical communications , while heavy cavalry were used as tactical reserves and deployed for shock attacks . Smoothbore artillery provided fire support and played

2990-514: The Allegheny River also as Ohiːyo' . The Geographic Names Information System lists O-hee-yo and O-hi-o as variant names. The river is called Ohi:'i:o` (river beautiful) in the Seneca language . In New York, areas around the river are often named with the alternate spelling Allegany in reference to the river; for example, the Village of Allegany and Allegany State Park . Port Allegany, located along

3105-543: The Allegheny River is joined from the south by Potato Creek 1.7 mi (2.7 km) downstream of Coryville , Pennsylvania and from the north by Olean Creek at Olean, New York. Tunungwant "Tuna" Creek joins the river from the south in Carrollton, New York (flowing north from Bradford, Pennsylvania); the Great Valley Creek and Little Valley Creek join the river from the north at Salamanca, New York before becoming

3220-488: The Allegheny River several miles downstream from Warren. During the campaign for the 1960 United States presidential election , John F. Kennedy assured the Seneca Nation that he would oppose the dam if elected. However, he failed to follow through on his pledge upon becoming president. In 1992, 86.6 mi (139.4 km) of the Allegheny River was designated Wild and Scenic . This designation comprises three segments of

3335-508: The Allegheny River; and the small village of Kinzua , which was located at the confluence of Kinzua Creek with the Allegheny River. All residents of both villages were forced to move. Many prominent individuals opposed the construction of the dam at that time because of the damage it would do to Seneca lands, including Pennsylvania Congressman John P. Saylor of Johnstown , and Howard Zahniser , executive director of The Wilderness Society and native of Tionesta—a small settlement located along

3450-426: The Austrian Succession had seen the belligerents aligned on a time-honoured basis. France's traditional enemies, Great Britain and Austria , had coalesced just as they had done against Louis XIV. Prussia , the leading anti-Austrian state in Germany, had been supported by France. Neither group, however, found much reason to be satisfied with its partnership: British subsidies to Austria produced nothing of much help to

3565-616: The British, while the British military effort had not saved Silesia for Austria. Prussia, having secured Silesia, came to terms with Austria in disregard of French interests. Even so, France concluded a defensive alliance with Prussia in 1747, and the maintenance of the Anglo-Austrian alignment after 1748 was deemed essential by the Duke of Newcastle , British secretary of state in the ministry of his brother Henry Pelham . The collapse of that system and

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3680-629: The Dutch wished to remain fully neutral. Despite the huge disparity in numbers, the year had been successful for the Prussian-led forces on the continent, in contrast to the British campaigns in North America. On 18 April 1757, Frederick II again took the initiative by marching into the Kingdom of Bohemia , hoping to inflict a decisive defeat on Austrian forces. After winning the bloody Battle of Prague on 6 May 1757, in which both forces suffered major casualties,

3795-559: The Elder , who entered the cabinet in 1756, had a grand vision for the war that made it entirely different from previous wars with France. As prime minister, Pitt committed Britain to a grand strategy of seizing the entire French Empire, especially its possessions in North America and India. Britain's main weapon was the Royal Navy, which could control the seas and bring as many invasion troops as were needed. He also planned to use colonial forces from

3910-439: The European war went well, by its end France had few counterbalancing European successes. The British—by inclination as well as for practical reasons—had tended to avoid large-scale commitments of troops on the continent. They sought to offset the disadvantage of this in Europe by allying themselves with one or more continental powers whose interests were antithetical to those of their enemies, particularly France. By subsidising

4025-464: The Imperial Russian Army was a new threat to Prussia. Not only was Frederick forced to break off his invasion of Bohemia, he was also now forced to withdraw further into Prussian-controlled territory. His defeats on the battlefield brought still more opportunistic nations into the war. Sweden declared war on Prussia and invaded Pomerania with 17,000 men. Sweden felt this small army was all that

4140-585: The Indian subcontinent, the conflict is called the Third Carnatic War (1757–1763). The term " Second Hundred Years' War " has been used in order to describe the almost continuous level of worldwide conflict between France and Great Britain during the entire 18th century, reminiscent of the Hundred Years' War of the 14th and 15th centuries. The boundary between British and French possessions in North America

4255-531: The Indians considered the expedition to be one. The destruction of Kittanning was hailed as a victory in Pennsylvania, and Armstrong was known afterwards as the "Hero of Kittanning". He and his men collected the "scalp bounty" that had been placed on Captain Jacobs. However, the victory had limitations: the attackers suffered more casualties than they inflicted, and most of the villagers escaped, taking with them almost all of

4370-414: The Lenape chiefs Shingas and Captain Jacobs , both of whom lived at Kittanning which also served as a staging area for raids and a temporary holding center for captives. Following the massacres of mostly unarmed settlers at Draper's Meadow , Penn's Creek , Great Cove , and Gnadenhütten in 1755, the colonial governments of Pennsylvania and Virginia offered rewards for their scalps. Captain Jacobs

4485-459: The Ottoman Empire. They also agreed to a secret clause that promised the restoration of Silesia and the countship of Glatz (now Kłodzko , Poland) to Austria in the event of hostilities with Prussia. Their real desire, however, was to destroy Frederick's power altogether, reducing his sway to his electorate of Brandenburg and giving East Prussia to Poland, an exchange that would be accompanied by

4600-567: The Prussians forced the Austrians back into the fortifications of Prague. The Prussian army then laid siege to the city . In response, Austrian commander Leopold von Daun collected a force of 30,000 men to come to the relief of Prague. Following the battle at Prague, Frederick took 5,000 troops from the siege at Prague and sent them to reinforce the 19,000-man army under the Duke of Brunswick-Bevern at Kolín in Bohemia. Daun arrived too late to participate in

4715-454: The Russians under Field Marshal Apraksin besieged Memel with 75,000 troops. Memel had one of the strongest fortresses in Prussia. However, after five days of artillery bombardment, the Russian army was able to storm it. The Russians then used Memel as a base to invade East Prussia and defeated a smaller Prussian force in the fiercely contested Battle of Gross-Jägersdorf on 30 August 1757. In

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4830-521: The Saxons. At the Battle of Lobositz on 1 October 1756, Frederick stumbled into one of the embarrassments of his career. Severely underestimating a reformed Austrian army under General Maximilian Ulysses Browne, he found himself outmanoeuvred and outgunned, and at one point in the confusion even ordered his troops to fire on retreating Prussian cavalry. Frederick actually fled the field of battle, leaving Field Marshall Keith in command. Browne, however, also left

4945-704: The Swedish invasion. In short order, the Prussian army drove the Swedes back, occupied most of Swedish Pomerania , and blockaded its capital Stralsund . George II of Great Britain , on the advice of his British ministers after the battle of Rossbach, revoked the Convention of Klosterzeven, and Hanover reentered the war. Over the winter the new commander of the Hanoverian forces, Duke Ferdinand of Brunswick (until immediately before

5060-427: The air and landed in a nearby cornfield. Captain Jacobs was killed and scalped after jumping from his home in an attempt to escape the flames. The battle ended when the entire village was engulfed in flames. Prisoners informed Armstrong that a party of 24 men had left the day before in advance of another planned raid. This news caused Armstrong some concern over the fate of Lieutenant Hogg, so he precipitately ordered

5175-428: The aligning of France with Austria and of Great Britain with Prussia constituted what is known as the " Diplomatic Revolution " or the "reversal of alliances". In 1756 Austria was making military preparations for war with Prussia and pursuing an alliance with Russia for this purpose. On 2 June 1756, Austria and Russia concluded a defensive alliance that covered their own territory and Poland against attack by Prussia or

5290-652: The armies of continental allies, Britain could turn London's enormous financial power to military advantage . In the Seven Years' War, the British chose as their principal partner the most brilliant general of the day, Frederick the Great of Prussia, then the rising power in central Europe, and paid Frederick substantial subsidies for his campaigns. This was accomplished in the Diplomatic Revolution of 1756, in which Britain ended its long-standing alliance with Austria in favour of Prussia, leaving Austria to side with France. In marked contrast to France, Britain strove to prosecute

5405-580: The attempt to satisfy Austria at the time, Britain gave their electoral vote in Hanover for the candidacy of Maria Theresa's son, Joseph II , as the Holy Roman Emperor, much to the dismay of Frederick and Prussia. Not only that, Britain would soon join the Austro-Russian alliance, but complications arose. Britain's basic framework for the alliance itself was to protect Hanover's interests against France. At

5520-453: The battle of Prague, but picked up 16,000 men who had escaped from the battle. With this army he slowly moved to relieve Prague. The Prussian army was too weak to simultaneously besiege Prague and keep Daun away, and Frederick was forced to attack prepared positions. The resulting Battle of Kolín was a sharp defeat for Frederick, his first. His losses further forced him to lift the siege and withdraw from Bohemia altogether. Later that summer,

5635-565: The border of Saxony, one of the small German states in league with Austria. He intended this as a bold pre-emption of an anticipated Austro-French invasion of Silesia. He had three goals in his new war on Austria. First, he would seize Saxony and eliminate it as a threat to Prussia, then use the Saxon army and treasury to aid the Prussian war effort. His second goal was to advance into Bohemia, where he might set up winter quarters at Austria's expense. Thirdly, he wanted to invade Moravia from Silesia, seize

5750-588: The brief occupation of Düsseldorf , he was compelled by the successful manoeuvering of larger French forces to withdraw across the Rhine. By this point Frederick was increasingly concerned by the Russian advance from the east and marched to counter it. Just east of the Oder in Brandenburg- Neumark , at the Battle of Zorndorf (now Sarbinowo, Poland), a Prussian army of 35,000 men under Frederick on 25 August 1758, fought

5865-456: The cession of the Polish Duchy of Courland to Russia. Alexey Bestuzhev-Ryumin , grand chancellor of Russia under Empress Elizabeth , was hostile to both France and Prussia, but he could not persuade Austrian statesman Wenzel Anton von Kaunitz to commit to offensive designs against Prussia so long as Prussia was able to rely on French support. The Hanoverian King George II of Great Britain

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5980-443: The cold season, resuming their campaigns with the return of spring. For much of the eighteenth century, France approached its wars in the same way. It would let colonies defend themselves or would offer only minimal help (sending them limited numbers of troops or inexperienced soldiers), anticipating that fights for the colonies would most likely be lost anyway. This strategy was to a degree forced upon France: geography, coupled with

6095-660: The column had reached the vicinity of Kittanning. Signs of a small Indian camp prompted Colonel Armstrong to detach a dozen men under Lieutenant James Hogg to monitor it while the column moved on toward the village. The next morning Armstrong launched a surprise attack on the village. Many of the Kittanning residents fled, but Captain Jacobs put up a defense, holing up with his wife and family inside their home. When he refused to surrender, his house and others were set on fire, touching off gunpowder that had been stored inside. Some buildings exploded, and pieces of Indian bodies flew high into

6210-583: The completion of the federally sponsored Kinzua Dam for flood -control in northwestern Pennsylvania east of Warren created the long Allegheny Reservoir , known as Lake Perfidy among the Seneca, part of which is included in the Allegheny National Recreation Area . The dam flooded parts of lands deeded "forever" to the Seneca Nation of Indians by the 1794 Treaty of Canandaigua , and lands given to Cornplanter and his descendants. The event

6325-542: The confluence of the Monongahela River and Allegheny form the Ohio River at downtown Pittsburgh. Many additional streams enter or join with the Allegheny River along its course. Several locks were built in the early 20th century to make the Allegheny River navigable for 72 miles upstream from Pittsburgh to East Brady . The Allegheny River has eight locks and fixed-crest dams numbered two through nine: Allegheny River Lock and Dam No. 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 which form corresponding reservoirs. The river

6440-426: The continent, hoping for victories closer to home. The plan was to fight to the end of hostilities and then, in treaty negotiations, to trade territorial acquisitions in Europe to regain lost overseas possessions (as had happened in, e.g. , the Treaty of Saint-Germain-en-Laye and the Treaty of Aix-la-Chapelle ). This approach did not serve France well in the war, as the colonies were indeed lost, and although much of

6555-569: The east by the Clarion River , a principal tributary, at Parker; from the east by Crooked Creek southeast of Kittanning; and from the east by the Kiskiminetas River , another principal tributary, at Schenley. Buffalo Creek enters at Freeport, Chartiers Run enters at Lower Burrell, Bull Creek enters at Tarentum, Pucketa Creek enters near New Kensington, Riddle Run enters at Springdale, and Girtys Run enters at Millvale. And finally,

6670-538: The existence of the Secret du Roi —a system of private diplomacy conducted by King Louis XV. Unbeknownst to his foreign minister, Louis had established a network of agents throughout Europe with the goal of pursuing personal political objectives that were often at odds with France's publicly stated policies. Louis's goals for le Secret du roi included the Polish crown for his kinsman Louis François de Bourbon, Prince of Conti , and

6785-582: The expansion of Anglo-American settlement into the Allegheny Valley and the surrounding Ohio Country was a primary cause of the French and Indian War in the 1750s. During the war, the village of Kittanning – the principal Shawnee settlement on the river – was completely destroyed during the Kittanning Expedition , which saw 300 provincial troops from the Province of Pennsylvania brutally attack

6900-482: The field, in a vain attempt to meet up with an isolated Saxon army holed up in the fortress at Pirna. As the Prussians technically remained in control of the field of battle, Frederick, in a masterful coverup, claimed Lobositz as a Prussian victory. The Prussians then occupied Saxony; after the siege of Pirna , the Saxon army surrendered in October 1756, and was forcibly incorporated into the Prussian army. The attack on neutral Saxony caused outrage across Europe and led to

7015-422: The first British troop commitment on the continent and a reversal in the policy of Pitt. Ferdinand's Hanoverian army, supplemented by some Prussian troops, had succeeded in driving the French from Hanover and Westphalia and re-captured the port of Emden in March 1758 before crossing the Rhine with his own forces, which caused alarm in France. Despite Ferdinand's victory over the French at the Battle of Krefeld and

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7130-425: The fortress at Olmütz, and advance on Vienna to force an end to the war. Accordingly, leaving Field Marshal Count Kurt von Schwerin in Silesia with 25,000 soldiers to guard against incursions from Moravia and Hungary, and leaving Field Marshal Hans von Lehwaldt in East Prussia to guard against Russian invasion from the east, Frederick set off with his army for Saxony. The Prussian army marched in three columns. On

7245-509: The inconclusive Battle of Lake George . The British also harassed French shipping beginning in August 1755, seizing hundreds of ships and capturing thousands of merchant seamen while the two nations were nominally at peace. Incensed, France prepared to attack Hanover, whose prince-elector was also the King of Great Britain and Menorca . Britain concluded a treaty whereby Prussia agreed to protect Hanover. In response France concluded an alliance with its long-time enemy Austria, an event known as

7360-400: The island was captured on 28 June (for which Admiral Byng was court-martialed and executed). Britain formally declared war on France on 17 May, nearly two years after fighting had broken out in the Ohio Country . Frederick II of Prussia had received reports of the clashes in North America and had formed an alliance with Great Britain . On 29 August 1756, he led Prussian troops across

7475-423: The latter half of the 17th century, control of the river valley passed back-and-forth between Algonquian -speaking Shawnee and the Iroquois . By the time of the arrival of French colonialists in the early 18th century, the Shawnee were once again in control and formed an alliance with France against attempts by colonists from British North America to settler across the Allegheny Mountains . The conflict over

7590-465: The leading role in siege warfare . Strategic warfare in this period centred around control of key fortifications positioned so as to command the surrounding regions and roads, with lengthy sieges a common feature of armed conflict. Decisive field battles were relatively rare. The Seven Years' War, like most European wars of the eighteenth century, was fought as a so-called cabinet war in which disciplined regular armies were equipped and supplied by

7705-473: The maintenance of Poland, Sweden, and the Ottoman Empire as French allies in opposition to Russian and Austrian interests. Frederick saw Saxony and Polish west Prussia as potential fields for expansion, but could not expect French support if he started an aggressive war for them. If he joined the French against the British in the hope of annexing Hanover, he might fall victim to an Austro-Russian attack. The hereditary elector of Saxony, Frederick Augustus II ,

7820-409: The middle of Pennsylvania's northern border, northwesterly into New York, then in a zigzag southwesterly across the border and through Western Pennsylvania to join the Monongahela River at the Forks of the Ohio at Point State Park in Downtown Pittsburgh , Pennsylvania. The Allegheny River is, by volume, the main headstream of both the Ohio and Mississippi Rivers . Historically, the Allegheny

7935-461: The new threat on their doorstep, and Austria was anxious to regain Silesia , lost to Prussia in the War of the Austrian Succession . Along with France, Russia and Austria agreed in 1756 to mutual defence and an attack by Austria and Russia on Prussia, subsidized by France. Westphalia, Hesse and Lower Saxony Electoral Saxony Brandenburg Silesia East Prussia Pomerania Iberian Peninsula Naval Operations William Pitt

8050-439: The next five years. Between 10 and 17 October 1757, a Hungarian general, Count András Hadik , serving in the Austrian army, executed what may be the most famous hussar action in history. When the Prussian king, Frederick, was marching south with his powerful armies, the Hungarian general unexpectedly swung his force of 5,000, mostly hussars, around the Prussians and occupied part of their capital, Berlin, for one night. The city

8165-497: The northeasternmost drainage in the watershed of the Mississippi River. Its tributaries reach to within 8 mi (13 km) of Lake Erie in southwestern New York. Water from the Allegheny River eventually flows into the Gulf of Mexico via the Ohio and Mississippi rivers. The Allegheny Valley has been one of the most productive areas of fossil fuel extraction in United States history, with its extensive deposits of coal , petroleum , and natural gas . In its upper reaches,

8280-468: The northern boundary of Allegany State Park before re-entering northwestern Pennsylvania within the Allegheny Reservoir just east of the Warren - McKean county line, approx. 10 miles (16 km) northeast of Warren . It flows in a broad zigzag course generally southwest across Western Pennsylvania ; first flowing southwest past Warren, Tidioute , Tionesta , Oil City , and Franklin , forming much of

8395-516: The northwestern boundary of Allegheny National Forest . South of Franklin it turns southeast across Clarion County in a meandering course, then turns again southwest across Armstrong County , flowing past Kittanning , Ford City , Clinton , and Freeport . The river enters both Allegheny and Westmoreland counties, the Pittsburgh suburbs , and the City of Pittsburgh from the northeast. It passes

8510-416: The outbreak of the French and Indian War in 1754. Following the realignment of traditional alliances in the so-called 1756 Diplomatic Revolution , Prussia allied with Britain, while the long running French–Habsburg rivalry ended when Austria signed a treaty with France. Spain entered the war on the French side in 1762, unsuccessfully attempting to invade Britain's ally Portugal in what became known as

8625-481: The parties hoped to achieve lasting peace and stability in Europe. The carefully coded word in the agreement proved no less catalytic for the other European powers. The results were absolute chaos. Empress Elizabeth of Russia was outraged at the duplicity of Britain's position. Not only that, but France was enraged and terrified by the sudden betrayal of its only ally, Prussia. Austria, particularly Kaunitz, used this situation to their utmost advantage. Now-isolated France

8740-454: The peace table, but she was determined not to negotiate until she had re-taken Silesia. Maria Theresa also improved the Austrians' command after Leuthen by replacing her incompetent brother-in-law, Charles of Lorraine , with Daun, who was now a field marshal. Calculating that no further Russian advance was likely until 1758, Frederick moved the bulk of his eastern forces to Pomerania under the command of Marshal Lehwaldt, where they were to repel

8855-470: The preparation was directed against Prussia, was more than happy to obey the request of the British. Unbeknownst to the other powers, King George II also made overtures to the Prussian king, Frederick, who, fearing the Austro-Russian intentions, was also desirous of a rapprochement with Britain. On 16 January 1756, the Convention of Westminster was signed, whereby Britain and Prussia promised to aid one another;

8970-416: The prisoners that had been held in the village. The expedition also probably aggravated the frontier war; subsequent Indian raids that autumn were fiercer than ever. The Kittanning Expedition revealed to the village's inhabitants their vulnerability, and many moved to more secure areas. A peace faction led by Shingas's brother Tamaqua soon came to the forefront. Tamaqua eventually made peace with Pennsylvania in

9085-646: The right was a column of about 15,000 men under the command of Prince Ferdinand of Brunswick . On the left was a column of 18,000 men under the command of the Duke of Brunswick-Bevern . In the centre was Frederick II, himself with Field Marshal James Keith commanding a corps of 30,000 troops. Ferdinand of Brunswick was to close in on the town of Chemnitz . The Duke of Brunswick-Bevern was to traverse Lusatia to close in on Bautzen . Meanwhile, Frederick and Keith would make for Dresden . The Saxon and Austrian armies were unprepared, and their forces were scattered. Frederick occupied Dresden with little or no opposition from

9200-552: The river at Titusville . One of the underlying premises of the Genesee Valley Canal was its connection to the river, opening a trade route from Rochester , New York to the west. The advent of the railroads obviated any interest Pennsylvania might have had in participating to improve navigation on the river. The canal was closed in 1877 and the right-of-way sold to the Genesee Valley Canal Railroad . In 1965,

9315-418: The river became a principal means of navigation in the upper Ohio valley, especially for the transport of coal. Although the building of the railroads lessened the importance of the river somewhat, the lower river (navigable as far as East Brady , Pennsylvania through locks) has continued to serve as a route of commercial transportation until the present day. In 1859, the first U.S. petroleum was drilled north of

9430-565: The river in Pennsylvania near the border with New York, also follows this pattern. The Allegheny River rises in north central Pennsylvania, on Cobb Hill in Allegany Township in north central Potter County , 8 miles (13 km) south of the New York–Pennsylvania border and a few miles northwest of the eastern triple divide . The stream flows south and passes under Pennsylvania Route 49 11 miles northeast of Coudersport where

9545-483: The river located in Warren , Forest , and Venango counties. Depression-era folk singer Buster Red recorded "Allegheny River", wherein the river is a destructive force throughout life, but not necessarily a malignant one. Folksinger Pete Seeger's song "Where the Old Allegheny and Monongahela Flow", depicts a character living in a city pining for a return to the Allegheny River. Old Crow Medicine Show released

9660-580: The same time, Kaunitz kept approaching the French in the hope of establishing just such an alliance with Austria. Not only that, France had no intention to ally with Russia, who, years earlier, had meddled in France's affairs during Austria's succession war. France also saw the dismemberment of Prussia as threatening to the stability of Central Europe. Years later, Kaunitz kept trying to establish France's alliance with Austria. He tried as hard as he could to avoid Austrian entanglement in Hanover's political affairs, and

9775-541: The settlement. After gaining control of the area in the 1763 Treaty of Paris , the British kept the area closed to Anglo-American colonists, in part to repair and maintain relations with the Native Americans. After the American Revolutionary War , the entire river valley became part of the new United States , and U.S. settlers forcibly displaced the region's indigenous population. During the 19th century,

9890-677: The state to conduct warfare on behalf of the sovereign's interests. Occupied enemy territories were regularly taxed and extorted for funds, but large-scale atrocities against civilian populations were rare compared with conflicts in the previous century. Military logistics was the decisive factor in many wars, as armies had grown too large to support themselves on prolonged campaigns by foraging and plunder alone. Military supplies were stored in centralised magazines and distributed by baggage trains that were highly vulnerable to enemy raids. Armies were generally unable to sustain combat operations during winter and normally established winter quarters in

10005-441: The strengthening of the anti-Prussian coalition. The Austrians had succeeded in partially occupying Silesia and, more importantly, denying Frederick winter quarters in Bohemia. Frederick had proven to be overly confident to the point of arrogance and his errors were very costly for Prussia's smaller army. This led him to remark that he did not fight the same Austrians as he had during the previous war. Britain had been surprised by

10120-460: The sudden Prussian offensive but now began shipping supplies and £670,000 (equivalent to £125.9 million in 2023) to its new ally. A combined force of allied German states was organised by the British to protect Hanover from French invasion, under the command of the Duke of Cumberland . The British attempted to persuade the Dutch Republic to join the alliance, but the request was rejected, as

10235-457: The superiority of the British navy, made it difficult for the French navy to provide significant supplies and support to overseas colonies. Similarly, several long land borders made an effective domestic army imperative for any French ruler. Given these military necessities, the French government, unsurprisingly, based its strategy overwhelmingly on the army in Europe: it would keep most of its army on

10350-403: The thirteen American colonies, working under the command of British regulars, to invade New France. In order to tie the French army down he subsidized his European allies. Pitt was head of the government from 1756 to 1761, and even after that the British continued his strategy. It proved completely successful. Pitt had a clear appreciation of the enormous value of imperial possessions, and realized

10465-537: The time as the Austrian Army was considered to be a highly professional force. With these victories, Frederick once again established himself as Europe's premier general and his men as Europe's most accomplished soldiers. However, Frederick missed an opportunity to completely destroy the Austrian army at Leuthen; although depleted, it escaped back into Bohemia. He hoped the two smashing victories would bring Maria Theresa to

10580-424: The two men agreed to a political partnership and formed a coalition government that gave new, firmer direction to the war effort. The new strategy emphasised both Newcastle's commitment to British involvement on the continent, particularly in defence of its German possessions, and Pitt's determination to use naval power to seize French colonies around the globe. This "dual strategy" would dominate British policy for

10695-418: The victorious French encouraged the Lenape and Shawnee to "take up the hatchet" against those who had taken their land. Beginning about October 1755, Lenape and Shawnee war parties, often with French cooperation, began raiding settlements in Pennsylvania. Although European-Americans also waged war with cruelty, they found Indian warfare particularly brutal and frightening. Notable among the Indian raiders were

10810-536: The vulnerability of the French Empire. The British prime minister, the Duke of Newcastle , was optimistic that the new series of alliances could prevent war from breaking out in Europe. However, a large French force was assembled at Toulon , and the French opened the campaign against the British with an attack on Minorca in the Mediterranean. A British attempt at relief was foiled at the Battle of Minorca , and

10925-407: The war actively overseas, taking full advantage of its naval power . The British pursued a dual strategy—naval blockade and bombardment of enemy ports, and rapid movement of troops by sea. They harassed enemy shipping and attacked enemy colonies, frequently using colonists from nearby British colonies in the effort. The Russians and the Austrians were determined to reduce the power of Prussia,

11040-577: The western borders of their colonies. They felt the French would encourage their tribal allies among the North American natives to attack them. Also, the British settlers wanted access to the fertile land of the Ohio River Valley for the new settlers that were flooding into the British colonies seeking farmland. The most important French fort planned was intended to occupy a position at "the Forks", where

11155-476: The white captives who were not rescued were ferried across the Allegheny River in canoes, then taken by foot over trails into Ohio, where they were assimilated into the tribes. Many were not rescued until Henry Bouquet brought them back from Ohio to Pennsylvania in 1764. After the destruction of the town, many of its inhabitants returned and erected their wigwams on the ashes of their former homes. The town

11270-638: The winter and would remain under their control until 1762, although it was far less strategically valuable to Prussia than Brandenburg or Silesia. In any case, Frederick did not see the Russians as an immediate threat and instead entertained hopes of first fighting a decisive battle against Austria that would knock them out of the war. In April 1758, the British concluded the Anglo-Prussian Convention with Frederick in which they committed to pay him an annual subsidy of £670,000. Britain also dispatched 9,000 troops to reinforce Ferdinand's Hanoverian army,

11385-456: The words of the American historian Daniel Marston , Gross-Jägersdorf left the Prussians with "a newfound respect for the fighting capabilities of the Russians that was reinforced in the later battles of Zorndorf and Kunersdorf". However, the Russians were not yet able to take Königsberg after using up their supplies of cannonballs at Memel, and Gross-Jägersdorf retreated soon afterwards. Logistics

11500-518: Was a recurring problem for the Russians throughout the war. The Russians lacked a quartermaster's department capable of keeping armies operating in Central Europe properly supplied over the primitive mud roads of eastern Europe. The tendency of Russian armies to break off operations after fighting a major battle, even when they were not defeated, was less about their casualties and more about their supply lines; after expending much of their munitions in

11615-505: Was also elective King of Poland as Augustus III, but the two territories were physically separated by Brandenburg and Silesia. Neither state could pose as a great power. Saxony was merely a buffer between Prussia and Austrian Bohemia , whereas Poland, despite its union with the ancient lands of Lithuania, was prey to pro-French and pro-Russian factions. A Prussian scheme for compensating Frederick Augustus with Bohemia in exchange for Saxony obviously presupposed further spoliation of Austria. In

11730-477: Was considered to be the upper Ohio River by both Native Americans and European settlers. This shallow river has been made navigable upstream from Pittsburgh to East Brady by a series of locks and dams that were constructed during the early 20th century. A 24-mile-long portion of the upper river in Warren and McKean counties of Pennsylvania and Cattaraugus County in New York forms the Allegheny Reservoir , which

11845-466: Was created by the erection of the Kinzua Dam in 1965 for flood control . The name of the river is derived from one of a number of Delaware / Unami phrases that are homophones of the English name, with varying translations. The name Allegheny probably comes from Lenape welhik hane or oolikhanna, which means 'best flowing river of the hills' or 'beautiful stream'. There is a Lenape legend of

11960-665: Was described in the Johnny Cash song "As Long as the Grass Shall Grow" from the 1964 album Bitter Tears: Ballads of the American Indian , which focused on the history of and problems facing Native Americans in the United States. The construction of the dam and the filling of the Allegheny Reservoir also necessitated the elimination of the small village of Corydon , which was located at the confluence of Willow Creek with

12075-482: Was even willing to trade Austrian Netherlands for France's aid in recapturing Silesia. Frustrated by this decision and by the Dutch Republic 's insistence on neutrality, Britain soon turned to Russia. On 30 September 1755, Britain pledged financial aid to Russia in order to station 50,000 troops on the Livonian-Lithuanian border, so they could defend Britain's interests in Hanover immediately. Bestuzhev, assuming

12190-501: Was forced to accede to the Austro-Russian alliance or face ruin. Thereafter, on 1 May 1756, the First Treaty of Versailles was signed, in which both nations pledged 24,000 troops to defend each other in the case of an attack. This diplomatic revolution proved to be an important cause of the war; although both treaties were ostensibly defensive in nature, the actions of both coalitions made the war virtually inevitable. European warfare in

12305-626: Was halted, while Prussia confirmed its status as a great power, challenging Austria for dominance within the Holy Roman Empire , thus altering the European balance of power . In the historiography of some countries, the war is named after combatants in its respective theatres. In the present-day United States, the conflict is known as the French and Indian War (1754–1763). In English-speaking Canada—the balance of Britain's former North American colonies—it

12420-527: Was largely undefined in the 1750s. France had long claimed the entire Mississippi River basin. This was disputed by Britain. In the early 1750s the French began constructing a chain of forts in the Ohio River Valley to assert their claim and shield the Native American population from increasing British influence. The British settlers along the coast were upset that French troops would now be close to

12535-457: Was led by France and Austria , backed by Spain , Saxony , Sweden , and Russia . Related conflicts include the 1754 to 1763 French and Indian War , and 1762 to 1763 Anglo-Spanish War . The War of the Austrian Succession ended in 1748, but failed to resolve ongoing tensions between the European powers. Continuing colonial disputes between Britain and France in North America resulted in

12650-410: Was needed to occupy Pomerania and felt the Swedish army would not need to engage with the Prussians because the Prussians were occupied on so many other fronts. This problem was compounded when the main Hanoverian army under Cumberland, which include Hesse-Kassel and Brunswick troops, was defeated at the Battle of Hastenbeck and forced to surrender entirely at the Convention of Klosterzeven following

12765-540: Was on an expedition led by François Coulon de Villiers that descended on Fort Granville (near present-day Lewistown ) on the morning of August 2, 1756. The attackers were held off, but the garrison commander was killed, and his second in command surrendered the garrison, including the women and children, the next morning. Armstrong, the commander's brother, immediately organized an expedition against Kittanning in response. Armstrong led 300 Pennsylvania provincial soldiers from Fort Shirley on August 31. By September 7,

12880-556: Was passionately devoted to his family's continental holdings, but his commitments in Germany were counterbalanced by the demands of the British colonies overseas. If war against France for colonial expansion was to be resumed, then Hanover had to be secured against Franco-Prussian attack. France was very much interested in colonial expansion and was willing to exploit the vulnerability of Hanover in war against Great Britain, but it had no desire to divert forces to Central Europe for Prussia's interest. French policy was, moreover, complicated by

12995-575: Was reoccupied briefly and two of the British prisoners who had attempted to escape with Armstrong's men were tortured to death. The Indians then harvested their corn and moved to Fort Duquesne , where they requested permission from the French to resettle further to the west, away from the British colonists. According to Marie Le Roy and Barbara Leininger, many of Kittanning's inhabitants moved to Saucunk , Kuskusky or Muskingum . Historian Fred Anderson notes that equivalent raids by Indians on Pennsylvania villages were usually labeled " massacres ", and that

13110-481: Was spared for a negotiated ransom of 200,000 thalers. When Frederick heard about this humiliating occupation, he immediately sent a larger force to free the city. Hadik, however, left the city with his hussars and safely reached the Austrian lines. Subsequently, Hadik was promoted to the rank of marshal in the Austrian Army. In early 1758, Frederick launched an invasion of Moravia and laid siege to Olmütz (now Olomouc , Czech Republic). Following an Austrian victory at

13225-587: Was the assault on Acadia on 16 June 1755 in the Battle of Fort Beauséjour , which was immediately followed by their expulsion of the Acadians . In July, British Major General Edward Braddock led about 2,000 army troops and provincial militia on an expedition to retake Fort Duquesne, but the expedition ended in disastrous defeat. In further action, Admiral Edward Boscawen fired on the French ship Alcide on 8 June 1755 , capturing it and two troop ships. In September 1755, British colonial and French troops met in

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