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108-456: Memory League differs from traditional memory competitions in the fact that it is entirely digital, has head-to-head matches, and is composed of shorter disciplines. The five disciplines are one-minute memorization of names, words, images, numbers, and cards. The first three world championships took place in San Diego , California in 2014, 2015, and 2016. The structure of the competition saw 24 of

216-435: A republican government in 1824, Alta California, like many northern territories, was not recognized as one of the constituent States of Mexico because of its small population. The 1824 Constitution of Mexico refers to Alta California as a "territory". Resentment was increasing toward appointed territorial governors sent from Mexico City, who came with little knowledge of local conditions and concerns. Laws were imposed by

324-577: A 1716 decree for extension of the conquest (of Baja California) which came to nothing. Juan Bautista de Anssa proposed an expedition from Sonora in 1737 and the Council of the Indies planned settlements in 1744, although these plans did not take action. Don Fernando Sánchez Salvador researched the earlier proposals and suggested the area of the Gila and Colorado Rivers as the locale for forts or presidios preventing

432-589: A Voyage Between China and the North-Western Coast of America, Made in 1804" and Richard Henry Dana 's more substantial and convincing account, of his 1834–36 voyage, the classic Two Years Before the Mast . In 1846, the United States went to war against Mexico and sent a naval and land expedition to conquer Alta California . At first, they had an easy time of it, capturing the major ports including San Diego, but

540-475: A ceasefire was arranged. After an unsettled period, Alvarado agreed to support the 1839 constitution, and Mexico City appointed him to serve as governor from 1837 to 1842. Other Californio governors followed, including Carlos Antonio Carrillo , and Pío Pico . The last non-Californian governor, Manuel Micheltorena , was driven out after another rebellion in 1845. Micheltorena was replaced by Pío Pico, last Mexican governor of California , who served until 1846 when

648-579: A center of the emerging biotech industry and is home to telecommunications giant Qualcomm . San Diego had also grown in the tourism industry with the popularity of attractions such as the San Diego Zoo , SeaWorld San Diego , and Legoland California in Carlsbad . According to SDSU professor emeritus Monte Marshall, San Diego Bay is "the surface expression of a north-south-trending, nested graben ". The Rose Canyon and Point Loma fault zones are part of

756-496: A given planning area there may be several distinct neighborhoods. Altogether the city contains more than 100 identified neighborhoods . Downtown San Diego is located on San Diego Bay . Balboa Park encompasses several mesas and canyons to the northeast, surrounded by older, dense urban communities including Hillcrest and North Park . To the east and southeast lie City Heights , the College Area , and Southeast San Diego . To

864-455: A number of small parks and preserves. San Diego County has one of the highest counts of animal and plant species that appear on the endangered list of counties in the United States. Because of its diversity of habitat and its position on the Pacific Flyway , San Diego County has recorded 492 different bird species, more than any other region in the country. San Diego always scores high in

972-641: A petition to the governor in 1782 which stated that the Mission Indians owned both the land and cattle and represented the Ohlone against the Spanish settlers in nearby San José. The priests reported that Indians' crops were being damaged by the pueblo settlers' livestock and that the settlers' livestock was also "getting mixed up with the livestock belonging to the Indians from the mission" causing losses. They advocated that

1080-649: A result of the Mexican–American War of 1846–48, the territory of Alta California, including San Diego, was ceded to the United States by Mexico, under the terms of the Treaty of Guadalupe Hidalgo in 1848. The Mexican negotiators of that treaty tried to retain San Diego as part of Mexico, but the Americans insisted that San Diego was "for every commercial purpose of nearly equal importance to us with that of San Francisco", and

1188-577: A river or creek flowed through it, and that they would lead our men to it if they would follow." That river was the San Diego River. Several reservoirs and Mission Trails Regional Park also lie between and separate developed areas of the city. Notable peaks within the city limits include Cowles Mountain , the highest point in the city at 1,591 feet (485 m); Black Mountain at 1,558 feet (475 m); and Mount Soledad at 824 feet (251 m). The Cuyamaca Mountains and Laguna Mountains rise to

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1296-503: A single departamento ) in Mexico's 1836 Siete Leyes (Seven Laws) constitutional reform, granting it more autonomy. That change was undone in 1846, but rendered moot by the outcome of the Mexican–American War in 1848, when most of the areas formerly comprising Alta California were ceded to the U.S. in the treaty which ended the war . In 1850, California joined the union as the 31st state . The El Camino Real trail established by

1404-490: A toolbox. There are several new high-rises under construction , including two that exceed 400 feet (122 m) in height. The city had a population of 1,307,402 according to the 2010 census, distributed over a land area of 372.1 square miles (963.7 km ). The urban area of San Diego had a total population of 2,956,746, making it the third-largest in the state, after those of Los Angeles and San Francisco . The 2010 population represented an increase of just under 7% from

1512-524: Is a city on the Pacific coast of Southern California , immediately adjacent to the Mexico–United States border . With a population of over 1.3 million residents, it is the eighth-most populous city in the United States and the second-most populous in the state of California , after Los Angeles . San Diego is the seat of San Diego County , which has a population of nearly 3.3 million people. It

1620-561: Is known for its mild year-round Mediterranean climate , extensive beaches and parks , long association with the United States Navy , and its recent emergence as a healthcare and biotechnology development center. Historically home to the Kumeyaay people, San Diego has been referred to as the Birthplace of California , as it was the first site visited and settled by Europeans on what

1728-539: Is mostly because of the city's topography (the Bay, and the numerous hills, mountains, and canyons). Frequently, particularly during the "May gray/ June gloom " period, a thick " marine layer " cloud cover keeps the air cool and damp within a few miles of the coast, but yields to bright cloudless sunshine approximately 5–10 miles (8–16 km) inland. Sometimes the June gloom lasts into July, causing cloudy skies over most of San Diego for

1836-545: Is now the West Coast of the United States . Upon landing in San Diego Bay in 1542, Juan Rodríguez Cabrillo claimed the area for Spain , forming the basis for the settlement of Alta California 200 years later. The Presidio and Mission San Diego de Alcalá , founded in 1769, formed the first European settlement in what is now California. In 1821, San Diego became part of the newly declared Mexican Empire , which reformed as

1944-423: Is the busiest single-runway airport in the United States. San Diego's name can be traced back to the 16th century when Spanish explorer Sebastián Vizcaíno bestowed it upon the area in 1602. He named the bay and the surrounding area "San Diego de Alcalá" in honor of Saint Didacus of Alcalá . Prior to the Spanish establishment of San Diego, the Kumeyaay town was called Kosa'aay , meaning "drying out place" in

2052-499: The First Mexican Republic two years later. California was conquered by the U.S. in 1848 following the Mexican–American War and was admitted as the 31st state in 1850. The largest sectors of the economy of San Diego include military and defense-related activities, tourism, international trade, research, and manufacturing. The city is home to several universities, including UC San Diego , San Diego State University , and

2160-602: The Franciscan friar Junípero Serra and Gaspar de Portolá in San Diego in 1769. Similar to the site of this mission, subsequent missions and presidios were often founded at the site of Indigenous villages. Mission San Gabriel Arcángel was founded at the Tongva village Toviscanga and the Pueblo de Los Ángeles at the village of Yaanga . The first settlers of Los Angeles were African and mulatto Catholics, including at least ten of

2268-958: The Gaslamp Quarter . In the early part of the 20th century, San Diego hosted the World's Fair twice: the Panama–California Exposition in 1915 and the California Pacific International Exposition in 1935. Both expositions were held in Balboa Park , and many of the Spanish/Baroque-style buildings that were built for those expositions remain to this day as central features of the park. The buildings were intended to be temporary structures, but most remained in continuous use until they progressively fell into disrepair. Most were eventually rebuilt, using castings of

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2376-558: The Kumeyaay language . After the establishment of San Diego, the Kumeyaay called town and city Tepacul Watai , meaning "Stacked Big". Luiseño speakers in the North County region called it Pushuyi . What has been referred to as the San Dieguito complex was established in the area at least 9,000 years ago. The Kumeyaay may have culturally evolved from this complex or migrated into

2484-443: The Mexico–United States border , and are physically separated from the rest of the city by the cities of National City and Chula Vista . A narrow strip of land at the bottom of San Diego Bay connects these southern neighborhoods with the rest of the city. For the most part, San Diego neighborhood boundaries tend to be understood by its residents based on geographical boundaries like canyons and street patterns. The city recognized

2592-473: The Presidio of San Diego at the site of the Kumeyaay village of Kosa'aay , which became the first European settlement in the present state of California. At first contact, the villagers provided food and water for the expedition, who were suffering from scurvy and water deprivation . The first Alta California mission was founded that same year adjacent to the village Mission San Diego de Alcalá , founded by

2700-674: The San Andreas Fault system. About 40 miles (64 km) east of the bay are the Laguna Mountains in the Peninsular Ranges , which are part of the American Cordillera . The city lies on approximately 200 deep canyons and hills separating its mesas , creating small pockets of natural open space scattered throughout the city and giving it a hilly geography. Traditionally, San Diegans have built their homes and businesses on

2808-668: The San Pasqual Valley , which holds an agricultural preserve. Carmel Valley and Del Mar Heights occupy the northwest corner of the city. To their south are Torrey Pines State Natural Reserve and the business center of the Golden Triangle . Further south are the beach and coastal communities of La Jolla , Pacific Beach , Mission Beach , and Ocean Beach . Point Loma occupies the peninsula across San Diego Bay from downtown. The communities of South San Diego (an Exclave ), such as San Ysidro and Otay Mesa , are located next to

2916-698: The University of San Diego . San Diego is the economic center of the San Diego–Tijuana region, the second-most populous transborder metropolitan area in the Western Hemisphere, home to an estimated five million people as of 2022. The primary border crossing between San Diego and Tijuana , the San Ysidro Port of Entry , is the busiest international land border crossing in the world outside of Asia ( fourth-busiest overall). San Diego International Airport

3024-524: The 1,223,400 people reported in 2000. The population density was 3,771.9 inhabitants per square mile (1,456.3/km ). The racial makeup of San Diego was 58.9% White , 6.7% African American, 0.6% Native American, 15.9% Asian (5.9% Filipino , 2.7% Chinese , 2.5% Vietnamese , 1.3% Indian , 1.0% Korean , 0.7% Japanese , 0.4% Laotian , 0.3% Cambodian , 0.1% Thai ). 0.5% Pacific Islander (0.2% Guamanian , 0.1% Samoan , 0.1% Native Hawaiian ), 12.3% from other races , and 5.1% from two or more races. 28.8% of

3132-589: The 1768 naval expedition of Pyotr Krenitsyn and Mikhail Levashov alarmed the Spanish government and served to justify Gálvez's vision. The Portolá expedition was the first European land-entry expedition into the area that is now California. The missionaries and soldiers encountered numerous Indigenous peoples of the area , who became the primary subjects of the expanding Jesuit and Franciscan missions that were already established in Baja California and Baja California Sur . The expedition first established

3240-454: The 1769 Portola expedition first established a military/civil government, and the local political structures were unchanged. The friction came to a head in 1836, when Monterey-born Juan Bautista Alvarado led a revolt against the 1836 constitution, seizing control of Monterey from Nicolás Gutiérrez . Alvarado's actions nearly led to a civil war with loyalist forces based in Los Angeles, but

3348-590: The Californios in southern Alta California struck back. Following the successful revolt in Los Angeles , the American garrison at San Diego was driven out without firing a shot in early October 1846. Mexican partisans held San Diego for three weeks until October 24, 1846, when the Americans recaptured it. For the next several months the Americans were blockaded inside the pueblo. Skirmishes occurred daily and snipers shot into

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3456-532: The Californios. In 1846, following reports of the annexation of Texas to the United States, American settlers in inland Northern California took up arms, captured the Mexican garrison town of Sonoma, and declared independence there as the California Republic . At the same time, the United States and Mexico had gone to war, and forces of the United States Navy entered into Alta California and took possession of

3564-675: The Colorado River and the depot fell into disuse. From 1857 to 1860, San Diego became the western terminus of the San Antonio-San Diego Mail Line , the earliest overland stagecoach and mail operation from the Eastern United States to California, coming from Texas through New Mexico Territory in less than 30 days. In the late 1860s, Alonzo Horton promoted a move to the bayside area, which he called "New Town" and which became downtown San Diego . Horton promoted

3672-572: The French or the English from "occupying Monterey and invading the neighboring coasts of California which are at the mouth of the Carmel River ." Alta California was not easily accessible from New Spain: land routes were cut off by deserts and Indigenous peoples who were hostile to invasion. Sea routes ran counter to the southerly currents of the distant northwestern Pacific. Ultimately, New Spain did not have

3780-593: The Indigenous people be allowed to own property and have the right to defend it. In 1804, due to the growth of the Spanish population in new northern settlements, the province of Las Californias was divided just south of San Diego, following mission president Francisco Palóu's division between the Dominican and Franciscan jurisdictions. Governor Diego de Borica is credited with defining the border between Alta (upper) and Baja (lower) California 's as Palóu's division , while

3888-485: The Mexican–American border was eventually established to be one league south of the southernmost point of San Diego Bay , so as to include the entire bay within the United States. The state of California was admitted to the United States in 1850. That same year San Diego was designated the seat of the newly established County of San Diego and was incorporated as a city. Joshua H. Bean , the last alcalde of San Diego,

3996-515: The Navy Coaling Station in Point Loma, and expanded greatly during the 1920s. By 1930, the city was host to Naval Base San Diego , Naval Training Center San Diego , San Diego Naval Hospital , Camp Matthews , and Camp Kearny (now Marine Corps Air Station Miramar ). The city was also an early center for aviation: as early as World War I, San Diego was proclaiming itself "The Air Capital of

4104-561: The San Diego City and County had the fifth-largest homeless population among major cities in the United States, with 8,102 people experiencing homelessness. In the city of San Diego, 4,887 individuals were experiencing homelessness according to the 2020 count. A December 11, 2023 article in The San Diego Union-Tribune by Blake Nelson reports a notable decline in the homeless population in downtown San Diego, specifically in

4212-460: The San Diego region would face Kumeyaay raids in the late 1830s and the town itself would face raids in the 1840s. Americans gained an increased awareness of California, and its commercial possibilities, from the writings of two countrymen involved in the often officially forbidden, to foreigners, but economically significant hide and tallow trade, where San Diego was a major port and the only one with an adequate harbor: William Shaler 's "Journal of

4320-720: The Spanish extended from Mexico City west to Santa Fe , and California, as well as east to Florida . To the southeast, beyond the deserts and the Colorado River , lay the Spanish settlements in Arizona . Spanish soldiers, settlers, and missionaries invaded the homelands of the Indigenous peoples of California , people of the Great Basin , and the Pueblo peoples in the establishment of Alta California. Evidence of Alta California remains in

4428-538: The Spanish settlement, making it the first settlement by Europeans in what is now the state of California. In July of the same year, Mission San Diego de Alcalá was founded by Franciscan friars under Serra. The mission became a site for a Kumeyaay revolt in 1775, which forced the mission to relocate six miles (10 km) up the San Diego River. By 1797, the mission boasted the largest native population in Alta California, with over 1,400 neophytes living in and around

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4536-613: The U.S. military occupation began. In the final decades of Mexican rule, American and European immigrants arrived and settled in the former Alta California. Those in Southern California mainly settled in and around the established coastal settlements and tended to intermarry with the Californios. In Northern California, they mainly formed new settlements further inland, especially in the Sacramento Valley , and these immigrants focused on fur-trapping and farming and kept apart from

4644-425: The United States and Spain, established the northern limit of Alta California at latitude 42°N, which remains the boundary between the states of California, Nevada and Utah (to the south) and Oregon and Idaho (to the north) to this day. Mexico won independence in 1821, and Alta California became a territory of Mexico the next year. Mexico gained independence from Spain on August 24, 1821, upon conclusion of

4752-510: The West". The city was home to important airplane developers and manufacturers like Ryan Airlines (later Ryan Aeronautical ), founded in 1925, and Consolidated Aircraft (later Convair ), founded in 1923. Charles A. Lindbergh 's plane, the Spirit of St. Louis , was built in San Diego in 1927 by Ryan Airlines. During World War II , San Diego became a major hub of military and defense activity, due to

4860-478: The World Championship were: Mnemonists from seven countries competed in over 45 rounds on May 2–3, 2016. The competition was won by Johannes Mallow . The 2015 winners of the World Championship were: The 2016 world championship took place on June 24–26 and was an IAM -ranked competition. The 2016 winners of the world championship were: The 2022 World Championship was held online from January 16-31 as

4968-490: The World Championship. The 2023 winners of the world championship were: There is a seasonal Online Memory League Championship, which in 2021 was incorporated into an annual "World Tour," consisting of three regular seasons interspersed with three slam tournaments. Other Memory League championships have included, among others: San Diego San Diego ( / ˌ s æ n d i ˈ eɪ ɡ oʊ / SAN dee- AY -goh , Spanish: [san ˈdjeɣo] )

5076-544: The World's top memorizers, including Alex Mullen (USA), Johannes Mallow (Germany), Simon Reinhard , Boris Konrad (Germany), Andi Bell (UK), Ben Pridmore (UK), Jonas von Essen (Sweden), and Yanjaa compete for up to USD $ 75,000 in prize money per championship over the course of three days. The fourth world championship was held online in January 2022. The 2014 World Championship took place on April 26–27. The 2014 winners of

5184-509: The abduction of Emma Goldman 's husband Ben Reitman and multiple riots . San Diego's proximity to Tijuana during the Mexican Revolution made this one of the most significant free speech fights during the Wobbly era. In 1916, the neighborhood of Stingaree , the original home of San Diego's first Chinatown and "Soapbox Row", was demolished by anti- vice campaigners to make way for

5292-478: The age of two. The precolonial Indigenous population of California is estimated to have numbered around 340,000 people, who were diverse culturally and linguistically. From 1769–1832, at least 87,787 baptisms and 63,789 deaths of Indigenous peoples occurred, demonstrating the immense death rate at the missions in Alta California. Conversion to Christianity at the colonial missions was often resisted by Indigenous peoples in Alta California. Many missionaries in

5400-415: The area around 1000 C.E. Archaeologist Malcolm Rogers hypothesized that the early cultures of San Diego were separate from the Kumeyaay, yet this claim is disputed, with others noting that it does not account for cultural evolution . Rogers later reevaluated his claims, yet they were influential in shaping historical tellings of early San Diego history. The Kumeyaay established villages scattered across

5508-531: The area for the Catholic Saint Didacus , a Spaniard more commonly known as San Diego de Alcalá . On November 12, 1602, the first Christian religious service of record in Alta California was conducted by Friar Antonio de la Ascensión, a member of Vizcaíno's expedition, to celebrate the feast day of San Diego. The permanent European colonization of both California and San Diego began in 1769 with

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5616-427: The area heavily, and people and businesses began to relocate to New Town because its location on San Diego Bay was convenient to shipping. New Town soon eclipsed the original settlement, known to this day as Old Town , and became the economic and governmental heart of the city. Still, San Diego remained a relative backwater town until the arrival of a railroad connection in 1878. In 1884–1886, John J. Montgomery made

5724-506: The arrival of four contingents of Spaniards from New Spain and the Baja California peninsula. Two seaborne parties reached San Diego Bay: the San Carlos , under Vicente Vila and including as notable members the engineer and cartographer Miguel Costansó and the soldier and future governor Pedro Fages , and the San Antonio , under Juan Pérez . An initial overland expedition to San Diego from

5832-465: The canneries, mostly staffed by immigrant fishermen from Japan , and later from the Portuguese Azores and Italy whose influence is still felt in neighborhoods like Little Italy and Point Loma . Due to rising costs and foreign competition, the last of the canneries closed in the early 1980s. Downtown San Diego was in decline in the 1960s and 1970s, but experienced some urban renewal since

5940-491: The center of San Diego. The first skyscraper over 300 feet (91 m) in San Diego was the El Cortez Hotel , built in 1927; it was the tallest building in the city until 1963. As time went on, multiple buildings claimed the title of San Diego's tallest skyscraper, including the 530 B Street and Symphony Towers . Currently the tallest building in San Diego is One America Plaza , standing 500 feet (150 m) tall, which

6048-623: The central government without much consideration of local conditions, such as the Mexican secularization act of 1833 , causing friction between governors and the people. In 1836, Mexico repealed the 1824 federalist constitution and adopted a more centralist political organization (under the " Seven Laws ") that reunited Alta and Baja California in a single California Department ( Departamento de las Californias ). The change, however, had little practical effect in far-off Alta California. The capital of Alta California remained Monterey, as it had been since

6156-416: The century and a half that records have been kept. In 1949 and 1967, snow remained on the ground for a few hours in higher locations like Point Loma and La Jolla . The other three occasions, in 1882, 1946, and 1987, involved flurries but no accumulation. On February 21, 2019, snow fell and accumulated in residential areas of the city, but none fell in the downtown area. Like much of Southern California ,

6264-403: The city's economy by focusing on research and science, as well as tourism. From the start of the 20th century through the 1970s, the American tuna fishing fleet and tuna canning industry were based in San Diego, "the tuna capital of the world". San Diego's first tuna cannery was founded in 1911, and by the mid-1930s the canneries employed more than 1,000 people. A large fishing fleet supported

6372-477: The city, hoping to spread plague in the city and effectively kill tens of thousands of civilians. The plan was scheduled to launch on September 22, 1945, but was not carried out because Japan surrendered five weeks earlier. After World War II, the military continued to play a major role in the local economy, but post- Cold War cutbacks took a heavy toll on the local defense and aerospace industries. The resulting downturn led San Diego leaders to seek to diversify

6480-428: The coast are prone to wildfire , and the rates of fire increased in the 20th century, due primarily to fires starting near the borders of urban and wild areas. San Diego's broad city limits encompass a number of large nature preserves, including Torrey Pines State Natural Reserve , Los Peñasquitos Canyon Preserve , and Mission Trails Regional Park . Torrey Pines State Natural Reserve and a coastal strip continuing to

6588-429: The culmination of the 2021 World Tour, which consisted of three seasons and three slam tournaments, with the top 16 competitors qualifying for the World Championship. The 2022 winners of the world championship were: The 2023 World Championship was held online from January 8-29 as the culmination of the 2022 World Tour, which consisted of three seasons and three slam tournaments, with the top 16 competitors qualifying for

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6696-472: The decade-long Mexican War of Independence . As the successor state to the Viceroyalty of New Spain, Mexico automatically included the provinces of Alta California and Baja California as territories. Alta California declared allegiance to the new Mexican nation and elected a representative to be sent to Mexico City. On November 9, 1822, the first legislature of California was created. With the establishment of

6804-550: The division became the political reality under José Joaquín de Arrillaga , who would become the first governor of Alta California. The cortes (legislature) of New Spain issued a decree in 1813 for at least partial secularization that affected all missions in America and was to apply to all outposts that had operated for ten years or more; however, the decree was never enforced in California. The Adams–Onís Treaty of 1819, between

6912-609: The early 1980s, including the opening of Horton Plaza , the revival of the Gaslamp Quarter, and the construction of the San Diego Convention Center ; Petco Park opened in 2004. Outside of downtown, San Diego annexed large swaths of land and for suburban expansion to the north and control of the San Ysidro Port of Entry . As the Cold War ended, the military shrank and so did defense spending. San Diego has since become

7020-462: The east of the city, and beyond the mountains are desert areas. The Cleveland National Forest is a half-hour drive from downtown San Diego. Numerous farms are found in the valleys northeast and southeast of the city. Under the Köppen–Geiger climate classification system , the San Diego area has been variously categorized as having either a hot semi-arid climate ( BSh in the original classification and BSkn in modified Köppen classification with

7128-406: The economic resources nor population to settle such a far northern outpost. Spanish interest in colonizing Alta California was revived under the visita of José de Gálvez as part of his plans to completely reorganize the governance of the Interior Provinces and push Spanish settlement further north. In subsequent decades, news of Russian colonization and maritime fur trading in Alaska, and

7236-448: The ensuing Battle of San Pasqual , fought in the San Pasqual Valley which is now part of the city of San Diego, the Americans suffered their worst losses in the campaign. Subsequently, a column led by Lieutenant Gray arrived from San Diego, rescuing Kearny's battered and blockaded command. Stockton and Kearny went on to recover Los Angeles and force the capitulation of Alta California with the " Treaty of Cahuenga " on January 13, 1847. As

7344-536: The entire day. Even in the absence of June gloom, inland areas experience much more significant temperature variations than coastal areas, where the ocean serves as a moderating influence. Thus, for example, downtown San Diego averages January lows of 50 °F (10 °C) and August highs of 78 °F (26 °C). The city of El Cajon , just 12 miles (19 km) inland from downtown San Diego, averages January lows of 42 °F (6 °C) and August highs of 88 °F (31 °C). The average surface temperature of

7452-488: The fire, smoke resulted in a significant increase in emergency room visits due to asthma, respiratory problems, eye irritation, and smoke inhalation; the poor air quality caused San Diego County schools to close for a week. The October 2007 California wildfires destroyed some areas, particularly within Rancho Bernardo , as well as the nearby communities of Rancho Santa Fe and Ramona . The City of San Diego recognizes 52 individual areas as Community Planning Areas. Within

7560-455: The first controlled flights by an American in a heavier-than-air unpowered glider just south of San Diego at Otay Mesa, helping to pioneer a new science of aerodynamics. In 1912, San Diego was the site of a free speech fight between the Industrial Workers of the World and the city government who passed an ordinance forbidding the freedom of speech along an area of "Soapbox Row" that led to civil disobedience, vigilantism , police violence ,

7668-413: The flag of Castile , but possibly born in Portugal . Sailing his flagship San Salvador from Navidad , New Spain, Cabrillo claimed the bay for the Spanish Empire in 1542, and named the site "San Miguel". In November 1602, Sebastián Vizcaíno was sent to map the California coast. Arriving on his flagship San Diego , Vizcaíno surveyed the harbor and what are now Mission Bay and Point Loma and named

7776-758: The flag of the State of California. After the United States Navy's seizure of the cities of southern California, the Californios formed irregular units, which were victorious in the Siege of Los Angeles , and after the arrival of the United States Army , fought in the Battle of San Pasqual and the Battle of Domínguez Rancho . But the Californios were defeated in subsequent encounters, the battles of Río San Gabriel and La Mesa . The southern Californios formally surrendered with

7884-424: The higher areas can receive 11–15 inches (280–380 mm) per year. Variability from year to year can be dramatic: in the wettest years of 1883/1884 and 1940/1941, more than 24 inches (610 mm) fell, whilst in the driest years there was as little as 3.2 inches (80 mm). The wettest month on record is December 1921 with 9.21 inches (234 mm). Snow in the city is rare, having been observed only six times in

7992-430: The historic period and presumably earlier as well, the river has shifted its flow back and forth between San Diego Bay and Mission Bay, and its fresh water was the focus of the earliest Spanish explorers. Miguel Costansó , a cartographer, wrote in 1769, "When asked by signs where the watering-place was, the Indians pointed to a grove which could be seen at a considerable distance to the northeast, giving to understand that

8100-460: The importance of its neighborhoods when it organized its 2008 General Plan around the concept of a "City of Villages". San Diego was originally centered on the Old Town district, but by the late 1860s the focus had shifted to the bayfront, in the belief that this new location would increase trade. As the "New Town" – present-day Downtown – waterfront location quickly developed, it eclipsed Old Town as

8208-425: The majority of San Diego's current area was originally occupied on the west by coastal sage scrub and on the east by chaparral , plant communities made up mostly of drought-resistant shrubs. The steep and varied topography and proximity to the ocean create a number of different habitats within the city limits, including tidal marsh and canyons . The chaparral and coastal sage scrub habitats in low elevations along

8316-425: The median is 9.6 inches (240 mm). The months of December through March supply most of the rain, with February the only month averaging 2 inches (51 mm) or more. The months of May through September tend to be almost completely dry. Although there are few wet days per month during the rainy period, rainfall can be heavy when it does fall. Rainfall is usually greater in the higher elevations of San Diego; some of

8424-413: The mesas, while leaving the urban canyons relatively wild. Thus, the canyons give parts of the city a segmented feel, creating gaps between otherwise proximate neighborhoods and contributing to a low-density, car-centered environment. The San Diego River runs through the middle of San Diego from east to west, creating a river valley that serves to divide the city into northern and southern segments. During

8532-558: The mission proper. Mission San Diego was the southern anchor in Alta California of the historic mission trail El Camino Real . Both the Presidio and the Mission are National Historic Landmarks . In 1821, Mexico won its independence from Spain , and San Diego became part of the Mexican territory of Alta California . In 1822, Mexico began its attempt to extend its authority over the coastal territory of Alta California. The fort on Presidio Hill

8640-616: The missions until they were secularized, beginning in 1833. The transfer of property never occurred under the Franciscans. As the number of Spanish settlers grew in Alta California, the boundaries and natural resources of the mission properties became disputed. Conflicts between the Crown and the Church arose over land. State and ecclesiastical bureaucrats debated over authority of the missions. The Franciscan priests of Mission Santa Clara de Asís sent

8748-559: The n denoting summer fog) or a hot-summer Mediterranean climate ( Csa ). San Diego's climate is characterized by warm, dry summers and mild winters, with most of the annual precipitation falling between December and March. The city has a mild climate year-round, with an average of 201 days above 70 °F (21 °C) and low rainfall (9–13 inches [230–330 mm] annually). The climate in San Diego, like most of Southern California, often varies significantly over short geographical distances, resulting in microclimates . In San Diego, this

8856-511: The north constitute one of only two locations where the rare species of Torrey Pine, Pinus torreyana , is found. Due to the steep topography that prevents or discourages building, along with some efforts for preservation, there are also a large number of canyons within the city limits that serve as nature preserves, including Switzer Canyon , Tecolote Canyon Natural Park, and Marian Bear Memorial Park in San Clemente Canyon , as well as

8964-416: The north lies Mission Valley and Interstate 8 . The communities north of the valley and freeway, and south of Marine Corps Air Station Miramar , include Clairemont , Kearny Mesa , Tierrasanta , and Navajo . Stretching north from Miramar are the northern suburbs of Mira Mesa , Scripps Ranch , Rancho Peñasquitos , and Rancho Bernardo . The far northeast portion of the city encompasses Lake Hodges and

9072-543: The northern port cities of Monterey and San Francisco. The forces of the California Republic, upon encountering the United States Navy and, from them, learning of the state of war between Mexico and the United States, abandoned their independence and proceeded to assist the United States forces in securing the remainder of Alta California. The California Republic was never recognized by any nation and existed for less than one month, but its flag (the "Bear Flag") survives as

9180-622: The number of bird species observed in the annual Christmas Bird Count , sponsored by the Audubon Society , and it is known as one of the "birdiest" areas in the United States. San Diego and its backcountry suffer from periodic wildfires. In October 2003, San Diego was the site of the Cedar Fire , at that time the largest wildfire in California over the past century. The fire burned 280,000 acres (1,100 km ), killed 15 people, and destroyed more than 2,200 homes. In addition to damage caused by

9288-588: The numerous Spanish place names of American cities such as Las Vegas , Los Angeles , Sacramento , San Bernardino , San Diego , San Francisco , San Jose , Santa Ana , and Santa Rosa . Father Eusebio Kino missionized the Pimería Alta from 1687 until his death in 1711. In 1697, a Jesuit expansion into California was funded and the Misión de Nuestra Señora de Loreto Conchó was established that same year. Plans in 1715 by Juan Manuel de Oliván Rebolledo resulted in

9396-401: The original façades to retain the architectural style. The menagerie of exotic animals featured at the 1915 exposition provided the basis for the San Diego Zoo . During the 1950s there was a citywide festival called Fiesta del Pacifico highlighting the area's Spanish and Mexican past. In the 2010s there was a proposal for a large-scale celebration of the 100th anniversary of Balboa Park, but

9504-510: The plans were abandoned when the organization tasked with putting on the celebration went out of business. The southern portion of the Point Loma peninsula was set aside for military purposes as early as 1852. Over the next several decades the Army set up a series of coastal artillery batteries and named the area Fort Rosecrans . Significant U.S. Navy presence began in 1901 with the establishment of

9612-447: The population was Hispanic or Latino (of any race); 24.9% of the total population was of Mexican heritage, 1.4% Spanish and 0.6% Puerto Rican . The median age of Hispanic residents was 27.5 years, compared to 35.1 years overall and 41.6 years among non-Hispanic whites; Hispanic San Diegans were the largest group under the age of 18, while non-Hispanic whites constituted 63.1% of population 55 and older. As of January 2019 ,

9720-592: The presence of so many military installations and defense manufacturers. The city's population grew rapidly during and after World War II, more than doubling between 1930 (147,995) and 1950 (333,865). During the final months of the war, the Japanese had a plan to target multiple U.S. cities for biological attack , starting with San Diego. The plan was called " Operation Cherry Blossoms at Night " and called for kamikaze planes filled with fleas infected with plague ( Yersinia pestis ) to crash into civilian population centers in

9828-596: The province wrote of their frustrations with teaching Indigenous people to internalize Catholic scripture and practice. Many Indigenous people learned to navigate religious expectations at the missions with complex social behaviors in order to maintain their cultural and religious practices. In 1784, the Spanish established the first rancho, Rancho San Pedro , as a 48,000 acre site for cattle grazing . Nine ranchos were subsequently established before 1800. Spanish, and later Mexican, governments rewarded retired soldados de cuera with large land grants, known as ranchos , for

9936-461: The raising of cattle and sheep . Hides and tallow from the livestock were the primary exports of California until the mid-19th century. Similar to the missions, the construction, ranching and domestic work on these vast estates was primarily done by Indigenous peoples , who learned to speak Spanish and ride horses. Under Spanish and Mexican rule, the ranchos prospered and grew. Rancheros (cattle ranchers) and pobladores (townspeople) evolved into

10044-559: The recently re-discovered Los Pobladores . Mission San Juan Capistrano was founded at the Acjachemen village of Acjacheme . Mission San Fernando was founded at Achooykomenga . As the Spanish and civilian settlers further intruded into Indigenous lands and imposed their practices, ideas of property, and religion onto them backed by the force of soldiers and settlers, Indigenous peoples formed rebellions on Spanish missions and settlements. A major rebellion at Mission San Gabriel in 1785

10152-424: The region, including the village of Kosa'aay which was the Kumeyaay village that the future settlement of San Diego would stem from in today's Old Town . The village of Kosa'aay was made up of thirty to forty families living in pyramid-shaped housing structures and was supported by a freshwater spring from the hillsides. The first European to visit the region was explorer Juan Rodríguez Cabrillo , sailing under

10260-519: The south was led by the soldier Fernando Rivera and included the Franciscan missionary, explorer, and chronicler Juan Crespí , followed by a second party led by the designated governor Gaspar de Portolà and including the mission president (and now saint) Junípero Serra . In May 1769, Portolà established the Presidio of San Diego on a hill near the San Diego River above the Kumeyaay village of Cosoy, which would later become incorporated into

10368-412: The threat of legal consequences appears to have played a role in the reduction. In 2000 there were 451,126 households, out of which 30.2% had children under the age of 18 living with them, 44.6% were married couples living together, 11.4% had a female householder with no husband present, and 39.8% were non-families. Households made up of individuals account for 28.0%, and 7.4% had someone living alone who

10476-562: The town every night. The Californios drove cattle away from the pueblo hoping to starve the Americans and their Californio supporters out. On December 1, the American garrison learned that the dragoons of General Stephen W. Kearney were at Warner's Ranch . Commodore Robert F. Stockton sent a mounted force of fifty under Captain Archibald Gillespie to march north to meet him. Their joint command of 150 men, returning to San Diego, encountered about 93 Californios under Andrés Pico . In

10584-504: The unique Californio culture. By law, mission land and property were to pass to the Indigenous population after a period of about ten years, when the Indigenous people would become Spanish subjects. In the interim period, the Franciscans were to act as mission administrators who held the land in trust for the Indigenous residents. The Franciscans, however, prolonged their control over the missions even after control of Alta California passed from Spain to independent Mexico, and continued to run

10692-481: The urban core. According to data from the Downtown San Diego Partnership, the number of individuals living outside or in vehicles has reached a two-year low, standing at approximately 1,200 as of last month. The decrease is attributed to the implementation of the city's camping ban and the concerted efforts to establish new shelters. While enforcement has led to relatively few individuals being punished,

10800-460: The vote. Beyond the town, Mexican land grants expanded the number of California ranchos that modestly added to the local economy. (See, List of pre-statehood mayors of San Diego .) However, San Diego had been losing population throughout the 1830s, due to increasing tension between the settlers and the indigenous Kumeyaay and in 1838 the town lost its pueblo status because its size dropped to an estimated 100 to 150 residents. The ranchos in

10908-544: The water at Scripps Pier in the California Current has increased by almost 3 °F (1.7 °C) since 1950, according to scientists at the Scripps Institution of Oceanography . Additionally, the mean minimum is now above 40 °F (4 °C), putting San Diego in hardiness zone 11, with the last freeze having occurred many decades ago. Annual rainfall along the coast averages 10.65 inches (271 mm) and

11016-417: Was 65 years of age or older. The average household size was 2.61, and the average family size was 3.30. Alta California Alta California ('Upper California'), also known as Nueva California ('New California') among other names, was a province of New Spain formally established in 1804. Along with the Baja California peninsula , it had previously comprised the province of Las Californias , but

11124-483: Was completed in 1991. The downtown skyline contains no supertall buildings due to a regulation put in place by the Federal Aviation Administration (FAA) in the 1970s, which set a 500 feet (152 m) limit on the height of buildings within a one-mile (1.6 km) radius of San Diego International Airport . An iconic description of the skyline includes its skyscrapers being compared to the tools of

11232-448: Was elected the first mayor. Two years later the city was bankrupt; the California legislature revoked the city's charter and placed it under control of a board of trustees, where it remained until 1889. A city charter was reestablished in 1889, and today's city charter was adopted in 1931. The original town of San Diego was located at the foot of Presidio Hill, in the area which is now Old Town San Diego State Historic Park . The location

11340-410: Was gradually abandoned, while the town of San Diego grew up on the level land below Presidio Hill. The Mission was secularized by the Mexican government in 1834 , and most of the Mission lands were granted to former soldiers. The 432 residents of the town petitioned the governor to form a pueblo , and Juan María Osuna was elected the first alcalde ("municipal magistrate"), defeating Pío Pico in

11448-552: Was led by the medicine woman Toypurina . Runaways from the missions were common, where abuse, malnourishment, and overworking were common features of daily life. Runaways would sometimes find shelter at more distant villages, such as a group of runaways who found refuge at the Vanyume village of Wá'peat , the chief of which refused to give them up. Many children died young at the missions. One missionary reported that 3 of every 4 children born at Mission San Gabriel died before reaching

11556-518: Was made a separate province in 1804 (named Nueva California ). Following the Mexican War of Independence , it became a territory of Mexico in April 1822 and was renamed Alta California in 1824. The territory included all of the present-day U.S. states of California , Nevada , and Utah , and parts of Arizona , Wyoming , and Colorado . The territory was re-combined with Baja California (as

11664-440: Was not ideal, being several miles away from navigable water at its port at La Playa . In 1850, William Heath Davis promoted a new development by the bay shore called "New San Diego", several miles south of the original settlement; however, for several decades the new development consisted only of a pier, a few houses and an Army depot for the support of Fort Yuma . After 1854, the fort became supplied by sea and by steamboats on

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