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118-700: Headquartered in San Francisco, California , UBM Technology Group was a part of UBM , a global business-to-business (B2B) events organiser which in turn owned by Informa and later absorbed into Informa Tech. In 1971, Gerard "Gerry" Leeds and his wife, Lilo, founded the company as CMP Publications Inc. in Manhasset , New York. Their sons Michael and Daniel managed the company in 1988, and launched TechWeb in 1994. CMP Media went public in 1997. CMP Media acquired McGraw-Hill Information Technology and Communications Group (including BYTE ) in 1998. CMP Media

236-442: A 103-foot (31 m) tall cross built in 1934. Dominating this area is Sutro Tower , a large red and white radio and television transmission tower reaching 1,811 ft (552 m) above sea level. The nearby San Andreas and Hayward Faults are responsible for much earthquake activity, although neither physically passes through the city itself. The San Andreas Fault caused the earthquakes in 1906 and 1989. Minor earthquakes occur on

354-623: A common place to live for people employed in Silicon Valley companies such as Apple and Google . The early 2020s featured an exodus of tech companies from Downtown San Francisco in the wake of the COVID-19 pandemic and struggles with homelessness and public drug use. Although some observers have raised the possibility that office vacancies and declining tax revenues could cause San Francisco to enter an economic doom loop , other sources have refuted this broad-based characterization of

472-515: A company owned by Arrow Electronics for $ 23.5 million. The acquisition was completed on August 1, 2016. In January 2018, Informa announced the acquisition of UBM for £4 billion. The transaction was completed in June 2018. Since the integration of UBM into Informa, UBM Technology Group was absorbed into the technology division of Informa, known as Informa Tech. Publications for the builders of technology include Dr. Dobb's Journal . Publications for

590-647: A flood of treasure seekers (known as "forty-niners," as in "1849"). With their sourdough bread in tow, prospectors accumulated in San Francisco over rival Benicia , raising the population from 1,000 in 1848 to 25,000 by December 1849. The promise of wealth was so strong that crews on arriving vessels deserted and rushed off to the gold fields, leaving behind a forest of masts in San Francisco harbor. Some of these approximately 500 abandoned ships were used at times as storeships , saloons , and hotels; many were left to rot, and some were sunk to establish title to

708-458: A fort on Alcatraz Island to secure San Francisco Bay. San Francisco County was one of the state's 18 original counties established at California statehood in 1850. Until 1856, San Francisco's city limits extended west to Divisadero Street and Castro Street, and south to 20th Street. In 1856, the California state government divided the county. A straight line was then drawn across the tip of

826-484: A gourmet marketplace. San Francisco has a warm-summer Mediterranean climate ( Köppen : Csb , Trewartha : Csll), characteristic of California's coast, with moist winters and dry summers. San Francisco's weather is strongly influenced by the cool currents of the Pacific Ocean on the west side of the city, and the water of San Francisco Bay to the north and east. This moderates temperature swings and produces

944-538: A land area of 46.9 square miles (121 square kilometers) at the upper end of the San Francisco Peninsula , making it the second-most densely populated major U.S. city behind New York City and the fifth-most densely populated U.S. county , behind four of New York City's boroughs . Among the 92 U.S. cities proper with over 250,000 residents, San Francisco is ranked first by per capita income and sixth by aggregate income as of 2022. San Francisco anchors

1062-566: A large African American population after World War II . The Western Addition is usually divided into smaller neighborhoods including Hayes Valley , the Fillmore , and Japantown , which was once the largest Japantown in North America but suffered when its Japanese American residents were forcibly removed and interned during World War II. The Western Addition survived the 1906 earthquake with its Victorians largely intact, including

1180-656: A light rail and bus network , in tandem with the BART and Caltrain systems, connects nearly every part of San Francisco with the wider region. San Francisco, which is Spanish for "Saint Francis," takes its name from Mission San Francisco de Asís , which in turn was named after Saint Francis of Assisi . The mission received its name in 1776, when it was founded by the Spanish under the leadership of Padre Francisco Palóu . The city has officially been known as San Francisco since 1847, when Washington Allon Bartlett , then serving as

1298-599: A magnet for America's counterculture movement . Beat Generation writers fueled the San Francisco Renaissance and centered on the North Beach neighborhood in the 1950s. Hippies flocked to Haight-Ashbury in the 1960s, reaching a peak with the 1967 Summer of Love . In 1974, the Zebra murders left at least 16 people dead. In the 1970s, the city became a center of the gay rights movement , with

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1416-440: A port and naval base, post-Conquest San Francisco was still a small settlement with inhospitable geography. Situated at the tip of a windswept peninsula without water or firewood, San Francisco lacked most of the basic facilities for a 19th-century settlement. These natural disadvantages forced the town's residents to bring water, fuel and food to the site. Its 1847 population was said to be 459. The California gold rush brought

1534-424: A regular basis. The threat of major earthquakes plays a large role in the city's infrastructure development. The city constructed an auxiliary water supply system and has repeatedly upgraded its building codes, requiring retrofits for older buildings and higher engineering standards for new construction. However, there are still thousands of smaller buildings that remain vulnerable to quake damage. USGS has released

1652-503: A remarkably mild year-round climate with little seasonal temperature variation. Culture of San Francisco The culture of San Francisco is major and diverse in terms of arts, music, cuisine, festivals, museums, and architecture but also is influenced heavily by Mexican culture due to its large Hispanic population, and its history as part of Spanish America and Mexico. San Francisco 's diversity of cultures along with its eccentricities are so great that they have greatly influenced

1770-603: A significant portion of the Comstock Lode 's gold and silver mines, establishing a virtual monopoly. Using his incredible clout, Ralston was able to generate millions of dollars for San Francisco during its heady boom years. He founded the Bank of California , the first bank in the Western United States, and built the opulent Palace Hotel, a symbol of San Francisco's newfound prosperity and the largest hotel in

1888-528: A spacious public park, resulting in plans for Golden Gate Park . San Franciscans built schools, churches, theaters, and all the hallmarks of civic life. The Presidio developed into the most important American military installation on the Pacific coast. By 1890, San Francisco's population approached 300,000, making it the eighth-largest city in the United States at the time. Around 1901, San Francisco

2006-545: A total of 21.9 million visitors. It is known for its steep rolling hills and eclectic mix of architecture across varied neighborhoods , its Chinatown and Mission districts, its cooling summers, fog , and landmarks including the Golden Gate Bridge , cable cars , and Alcatraz . The city is home to a number of educational and cultural institutions, such as the University of California, San Francisco ,

2124-484: A wave of " Manhattanization " that lasted until the late 1980s, a period of extensive high-rise development downtown. The 1980s also saw a dramatic increase in the number of homeless people in the city, an issue that remains today, despite many attempts to address it. The 1989 Loma Prieta earthquake caused destruction and loss of life throughout the Bay Area. In San Francisco, the quake severely damaged structures in

2242-722: Is among the city's regular music parties. Since 2000 San Francisco has hosted the How Weird Street Faire , claimed to be the longest-running electronic music street festival in North America. Famous songs about San Francisco include Tony Bennett 's " I Left My Heart in San Francisco ", the Scott McKenzie song " San Francisco (Be Sure to Wear Flowers in Your Hair) ", People Under The Stairs ' " San Francisco Knights ", Chris Isaak 's "San Francisco Days", Journey 's " Lights ", " Fake Tales of San Francisco " by

2360-494: Is essentially their original form, but most of the city's natural watercourses, such as Islais Creek and Mission Creek , have been partially or completely culverted and built over. Since the 1990s, however, the Public Utilities Commission has been studying proposals to daylight or restore some creeks. An Historical Center of San Francisco monument, where the 1899–1906 City Hall was once located,

2478-408: Is gone." Rebuilding was rapid and performed on a grand scale. Rejecting calls to completely remake the street grid, San Franciscans opted for speed. Amadeo Giannini 's Bank of Italy , later to become Bank of America , provided loans for many of those whose livelihoods had been devastated. The influential San Francisco Planning and Urban Research Association or SPUR was founded in 1910 to address

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2596-628: Is held every May as part of the KFOG: Kaboom! . San Francisco contains a plethora of unique architecture that serve as tourist attractions in their own right. They include its Civic Center , Coit Tower atop Telegraph Hill , the Ferry Building on its waterfront, the world-renowned Golden Gate Bridge , the twisty and windy Lombard Street in Russian Hill , " Painted Ladies ", terraced victorian houses that can be found citywide,

2714-656: Is home to many different and unique street festivals, parties and parades. Most famous are its gay pride parade , held every June; the Folsom Street Fair held every September; Chinese New Year Parade held in February; Carnaval , held during the spring; Litquake and Hardly Strictly Bluegrass in October. It used to host a North American version of the Loveparade electronic music festival (later known as

2832-622: Is home to the 200-member San Francisco Gay Men's Chorus , the world's first openly gay chorus, as well as the San Francisco Lesbian/Gay Freedom Band . Two additional gay choruses, the Lesbian/Gay Chorus of San Francisco and Golden Gate Men's Chorus , also perform throughout the year. San Francisco has a large number of theaters and live performance venues . Local theater companies have been noted for risk taking and innovation, as documented in

2950-583: Is in United Nations Plaza , at 37°46′48″N 122°24′49″W  /  37.7800397°N 122.4135943°W  / 37.7800397; -122.4135943 The earliest center of San Francisco is Portsmouth Square , in the northeast quadrant of the city anchored by Market Street and the waterfront. Here in the northeast quadrant, the Financial District is centered, with Union Square , the principal shopping and hotel district, and

3068-567: Is the publisher of Callboard Magazine , and runs San Francisco's Half-Priced Ticket Booth . The Fillmore is a music venue located in the Western Addition . It is the second incarnation of the historic venue that gained fame in the 1960s under concert promoter Bill Graham , housing the stage where now-famous musicians such as the Grateful Dead , Janis Joplin , Led Zeppelin and Jefferson Airplane first performed, fostering

3186-541: The 13th most populous metropolitan statistical area in the United States , with almost 4.6 million residents in 2023. The larger San Jose–San Francisco–Oakland combined statistical area , the fifth-largest urban region in the U.S., had a 2023 estimated population of over 9 million. Prior to European settlement , the modern city proper was inhabited by the Yelamu , who spoke a language now referred to as Ramaytush Ohlone . On June 29, 1776, settlers from New Spain established

3304-654: The Arctic Monkeys , and " Save Me, San Francisco " by Train . Comedian and actor, Robin Williams helped San Francisco become recognized as a good town for comedy clubs. He rose to fame, having gotten his early start in San Francisco clubs such as the Holy City Zoo , the Punchline and The Other Café in the '70's. He also shot seven films on location in San Francisco. The city is the birthplace of

3422-597: The Asian Art Museum have significant anthropological and non-European holdings. The Palace of Fine Arts , a remnant of the 1915 Panama-Pacific Exposition , used to house the Exploratorium , a popular science museum dedicated to teaching through hands-on interaction, which moved to a new location on the Embarcadero in 2013. The California Academy of Sciences is a natural history museum and hosts

3540-638: The Bear Flag Revolt in Sonoma and the beginning of the U.S. Conquest of California , American forces from the USS Portsmouth under the command of John B. Montgomery captured Yerba Buena on July 9, 1846, with little resistance from the local Californio population, raising the American flag over Yerba Buena plaza (later renamed Portsmouth Square in commemoration of this event). Following

3658-578: The California earthquake forecast which models earthquake occurrence in California. San Francisco's shoreline has grown beyond its natural limits. Entire neighborhoods such as the Marina , Mission Bay , and Hunters Point , as well as large sections of the Embarcadero , sit on areas of landfill . Treasure Island was constructed from material dredged from the bay as well as material resulting from

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3776-905: The Cartoon Art Museum , and the Mexican Museum . Some "offbeat" museums and galleries dealing in unconventional topics include the Antique Vibrator Museum, the Musée Mécanique (dedicated to penny arcade machines), the Museum of Ophthalmology , Ripley's Believe it or Not Museum, the Stamp Francisco/Stamp Art Gallery (rubber stamps not postal stamps), the Tattoo Art Museum (old tattoo machines and instruments),

3894-485: The Dead Kennedys , and alternative metal band Faith No More . It is the birthplace of thrash metal with bands such as Metallica , Testament , Exodus , Slayer , Death Angel , Megadeth and latterly Machine Head . San Francisco has had significant influence on punk rock in California since the late 1970s. In the late 1980s and early 1990s it was somewhat influential in rave and electronica . Activity in

4012-664: The Fillmore and Hunters Point districts, San Francisco is the home of numerous rappers, including Messy Marv, RBL Posse , Rappin' 4-Tay , HughEMC, San Quinn , Andre Nickatina , Big Rich , JT the Bigga Figga , Ant Rich 415, and Paris . San Francisco DJs and electronic musicians are credited with defining the laid-back, dub-influenced sound of the West Coast house music . Prominent DJs and artists include Kaskade , Miguel Migs , Mark Farina , and DJ Garth . Dub Mission

4130-535: The Goth / industrial scene has been continuous in the city since then, with it being home to the world's second longest running goth club after Slimelight in London, England. Gentrification during the late 1990s is said to have forced many performers to move away. However, San Francisco is still home to a number of respected music acts, such as Chuck Prophet , Lords of Sealand and John Vanderslice , and especially in

4248-501: The Marina and South of Market districts and precipitated the demolition of the damaged Embarcadero Freeway and much of the damaged Central Freeway , allowing the city to reclaim The Embarcadero as its historic downtown waterfront and revitalizing the Hayes Valley neighborhood. The two recent decades have seen booms driven by the internet industry. During the dot-com boom of the late 1990s, startup companies invigorated

4366-621: The Morrison Planetarium and Steinhart Aquarium . The Asian Art Museum of San Francisco has one of the most comprehensive collections of Asian art in the world. From 1958 until 2003 the collection was housed in a wing of at the original de Young in Golden Gate Park. When the de Young closed while constructing a new building, the Asian Art Museum moved to the former San Francisco City Library building, which

4484-649: The Presidio of San Francisco at the Golden Gate , and the Mission San Francisco de Asís a few miles away, both named for Francis of Assisi . The California gold rush of 1849 brought rapid growth, transforming an unimportant hamlet into a busy port, making it the largest city on the West Coast at the time; between 1870 and 1900, approximately one quarter of California's population resided in

4602-542: The San Francisco Sound . Beach Blanket Babylon is a zany musical revue and a civic institution that has performed to sold-out crowds in North Beach since 1974. Bimbo's 365 Club , in North Beach, is one of the city's oldest entertainment venues and plays host to music shows of all genres. Most nightclubs in San Francisco are exclusive to audiences age 21 and older; the two most prominent nightclubs in

4720-501: The Tenderloin nearby. Cable cars carry riders up steep inclines to the summit of Nob Hill , once the home of the city's business tycoons, and down to the waterfront tourist attractions of Fisherman's Wharf , and Pier 39 , where many restaurants feature Dungeness crab from a still-active fishing industry. Also in this quadrant are Russian Hill , a residential neighborhood with the famously crooked Lombard Street ; North Beach ,

4838-815: The UFO , Bigfoot and Loch Ness Monster Museum, and the Wax Museum at Fisherman's Wharf . Classical and Opera venues in San Francisco include the San Francisco Symphony , the San Francisco Opera and the San Francisco Ballet . They all perform at the San Francisco War Memorial and Performing Arts Center . San Francisco's Ballet and Opera are some of the oldest continuing performing arts companies in

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4956-982: The University of San Francisco , San Francisco State University , the San Francisco Conservatory of Music , the de Young Museum , the San Francisco Museum of Modern Art , the San Francisco Symphony , the San Francisco Ballet , the San Francisco Opera , the SFJAZZ Center , and the California Academy of Sciences . Two major league sports teams, the San Francisco Giants and the Golden State Warriors , play their home games within San Francisco proper. San Francisco International Airport (SFO) offers flights to over 125 destinations, while

5074-408: The "Lovefest" and " LoveEvolution "), held in late summer/early fall, until city officials revoked the event's permits due to safety concerns in 2009. Since 2000 San Francisco has hosted the How Weird Street Faire , claimed to be the longest-running electronic music street festival in North America. Outside Lands Music and Arts Festival in the city is the largest independently owned music festival in

5192-466: The 1910s, a wave of Central American immigrants settled in the Mission and, in the 1950s, immigrants from Mexico began to predominate. In recent years, gentrification has changed the demographics of parts of the Mission from Latino, to twenty-something professionals. Noe Valley to the southwest and Bernal Heights to the south are both increasingly popular among young families with children. East of

5310-535: The Bay Area a center for trade. Catering to the needs and tastes of the growing population, Levi Strauss opened a dry goods business and Domingo Ghirardelli began manufacturing chocolate. Chinese immigrants made the city a polyglot culture, drawn to "Old Gold Mountain," creating the city's Chinatown quarter. By 1880, Chinese made up 9.3% of the population. The first cable cars carried San Franciscans up Clay Street in 1873. The city's sea of Victorian houses began to take shape, and civic leaders campaigned for

5428-705: The Birdman of Alcatraz. San Francisco later celebrated its regained grandeur with a World's fair , the Golden Gate International Exposition in 1939–40, creating Treasure Island in the middle of the bay to house it. During World War II , the city-owned Sharp Park in Pacifica was used as an internment camp to detain Japanese Americans . Hunters Point Naval Shipyard became a hub of activity, and Fort Mason became

5546-657: The Mark . California Cuisine and fusion cuisine are prominent in the city. Food trucks are a source of ethnically diverse, and gourmet street foods , with concentrations of various trucks at regular times and places. Notable grocery stores, which often focus on locally-grown organic produce, include the Rainbow Grocery Cooperative and Bi-Rite Market . Johnny Kan opened one of the first modern Chinese restaurants, in Chinatown in 1953. San Francisco

5664-409: The Mission is the Potrero Hill neighborhood, a mostly residential neighborhood that features sweeping views of downtown San Francisco. West of the Mission, the area historically known as Eureka Valley , now popularly called the Castro , was once a working-class Scandinavian and Irish area. It has become North America's first gay village , and is now the center of gay life in the city. Located near

5782-470: The Outer Richmond and Outer Sunset can refer to the more western portions of their respective district and the Inner Richmond and Inner Sunset can refer to the more eastern portions. Many piers remained derelict for years until the demolition of the Embarcadero Freeway reopened the downtown waterfront, allowing for redevelopment. The centerpiece of the port, the Ferry Building , while still receiving commuter ferry traffic, has been restored and redeveloped as

5900-420: The Presidio garrison, commanded by Mariano Vallejo , relocated to the Presidio of Sonoma , which was regarded as needing a greater military presence due the proximity of the Russian settlement at Fort Ross . Only a small detachment remained at the Presidio of San Francisco. Mission Dolores sold most of its property in 1836, retaining only the church and related structures. In 1833, Juana Briones de Miranda

6018-517: The San Francisco Peninsula just north of San Bruno Mountain . Everything south of the line became the new San Mateo County while everything north of the line became the new consolidated City and County of San Francisco. The California Gold Rush triggered a wave of entrepreneurial activity as individuals sought to capitalize on the newfound wealth. The discovery of silver deposits, notably the Comstock Lode in Nevada in 1859, further fueled rapid population growth and economic expansion. San Francisco, as

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6136-405: The San Francisco economy. Large numbers of entrepreneurs and computer application developers moved into the city, followed by marketing, design, and sales professionals, changing the social landscape as once poorer neighborhoods became increasingly gentrified . Demand for new housing and office space ignited a second wave of high-rise development, this time in the South of Market district. By 2000,

6254-400: The Spanish ship San Carlos , commanded by Juan Manuel de Ayala , became the first ship to anchor in the bay. Soon after, on March 28, 1776, Anza established the Presidio of San Francisco . On October 9, Mission San Francisco de Asís , also known as Mission Dolores, was founded by Padre Francisco Palóu . In 1794, the Presidio established the Castillo de San Joaquín , a fortification on

6372-464: The USPTO Service Mark ' WEB 2.0 '. Current UBM Technology Group assets: San Francisco, California San Francisco , officially the City and County of San Francisco , is a commercial, financial , and cultural center within Northern California . With a population of 808,988 residents as of 2023, San Francisco is the fourth-most populous city in the U.S. state of California behind Los Angeles , San Diego , and San Jose . It covers

6490-464: The United States. San Francisco is also home to running races such as the Bay to Breakers and the San Francisco Marathon . During Labor Day weekend in 2008, the city played host to the first Slow Food Nation , the first major public event for Slow Food USA and one of the largest food events in the nation. Many neighborhoods in San Francisco have annual street festivals featuring live music, arts and crafts vendors, and community organizations. Among

6608-425: The United States. San Francisco is the birthplace and home city of the vocal ensemble Chanticleer . The city is also home to the American Conservatory Theater , also known as A.C.T., which has been routinely staging original productions since its arrival in San Francisco in 1967. Additionally, the New Conservatory Theatre Center (NCTC) is known for being an intimate theater that routinely stages original productions by

6726-448: The Vietnam War , and other factors led to the Summer of Love and the gay rights movement, cementing San Francisco as a center of liberal activism in the United States . San Francisco and the surrounding San Francisco Bay Area are a global center of economic activity and the arts and sciences, spurred by leading universities , high-tech , healthcare, finance, insurance, real estate, and professional services sectors. As of 2020 ,

6844-405: The area. Further development is taking place just to the south in Mission Bay area, a former railroad yard, which now has a second campus of the University of California, San Francisco and Chase Center , which opened in 2019 as the new home of the Golden State Warriors . West of downtown, across Van Ness Avenue , lies the large Western Addition neighborhood, which became established with

6962-429: The beginning of the assimilation of the Ramaytush people, and the decline of their language and culture. The Spanish Empire claimed San Francisco as part of Las Californias , a province of the Viceroyalty of New Spain . The Spanish first arrived in what is now San Francisco on November 2, 1769, when the Portolá expedition led by Don Gaspar de Portolá and Juan Crespí arrived at San Francisco Bay . Having noted

7080-400: The buyers of technology include InformationWeek , Network Computing for the corporate IT user; and targeted publications for the financial industry (Wall Street & Technology, Insurance & Technology, and Bank Systems & Technology). UBM Technology Group key communities: UBM Technology Group (as CMP) co-produces the Web 2.0 Summit along with O'Reilly Media, and formerly the owner of

7198-426: The capture, U.S. forces appointed both José de Jesús Noé and Washington Allon Bartlett to serve as co- alcaldes (mayors), while the conquest continued on in the rest of California. On January 30, 1847, Mayor Bartlett ordained that the city should officially change its name from "Yerba Buena" to "San Francisco", as the former name was only locally recognized and the latter name was in use on international maps. There

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7316-400: The city and burned out of control for several days. With water mains out of service, the Presidio Artillery Corps attempted to contain the inferno by dynamiting blocks of buildings to create firebreaks. More than three-quarters of the city lay in ruins, including almost all of the downtown core. Contemporary accounts reported that 498 people died, though modern estimates put the number in

7434-465: The city as a whole, asserting that the issues of concern are restricted primarily to the urban core of San Francisco. As of March 2024, Union Square was in "sorry shape" and had lost its traditional position as the Bay Area's regional shopping hub to Westfield Valley Fair in San Jose. The Ferry Station Post Office Building , Armour & Co. Building , Atherton House , and YMCA Hotel are historic buildings among dozens of historical landmarks in

7552-414: The city is still home to numerous companies inside and outside of technology, including Salesforce , Uber , Airbnb , X , Levi's , Gap , Dropbox , and Lyft . In 2022, San Francisco had more than 1.7 million international visitors – the fifth-most visited city from abroad in the United States after New York City, Miami , Orlando , and Los Angeles – and approximately 20 million domestic visitors for

7670-416: The city proper. In 1856, San Francisco became a consolidated city-county . After three-quarters of the city was destroyed by the 1906 earthquake and fire , it was quickly rebuilt, hosting the Panama–Pacific International Exposition nine years later. In World War II , it was a major port of embarkation for naval service members shipping out to the Pacific Theater . In 1945, the United Nations Charter

7788-406: The city which are open to ages 18 and older are 715 Harrison (known locally by its two event names Club X and City Nights) as well as DNA Lounge . Nightlife venues occasionally have a strong affiliation with a certain theme or culture, such as 1015 Folsom, which has a history with BDSM culture, or Temple , noted for its futurism and energy-generating dance floor. Additionally, San Francisco

7906-484: The city's Little Italy and the former center of the Beat Generation ; and Telegraph Hill , which features Coit Tower . Abutting Russian Hill and North Beach is San Francisco's Chinatown , the oldest Chinatown in North America. The South of Market , which was once San Francisco's industrial core, has seen significant redevelopment following the construction of Oracle Park and an infusion of startup companies . New skyscrapers, live-work lofts, and condominiums dot

8024-479: The city's alcalde , renamed it from Yerba Buena (Spanish for "Good Herb"), which had been the name of the first civilian pueblo in San Francisco, as well as the name of Yerba Buena Cove , which the pueblo was on the shore of. Earlier in San Francisco's history, the uninhabited area on the northeastern side of San Francisco was called El Paraje de Yerba Buena , after the herb that was growing abundantly there. The name Yerba Buena continues to be used in locations in

8142-417: The city's population reached new highs, surpassing the previous record set in 1950. When the bubble burst in 2001 and again in 2023, many of these companies folded and their employees were laid off. Yet high technology and entrepreneurship remain mainstays of the San Francisco economy. By the mid-2000s (decade), the social media boom had begun, with San Francisco becoming a popular location for tech offices and

8260-441: The city's southern border, the Excelsior District is one of the most ethnically diverse neighborhoods in San Francisco. The Bayview-Hunters Point in the far southeast corner of the city is one of the poorest neighborhoods, though the area has been the focus of several revitalizing and urban renewal projects. The construction of the Twin Peaks Tunnel in 1918 connected southwest neighborhoods to downtown via streetcar, hastening

8378-504: The city, according to the National Register of Historic Places listings in San Francisco . San Francisco is located on the West Coast of the United States , at the north end of the San Francisco Peninsula and includes significant stretches of the Pacific Ocean and San Francisco Bay within its boundaries. Several picturesque islands — Alcatraz , Treasure Island and the adjacent Yerba Buena Island , and small portions of Alameda Island , Red Rock Island , and Angel Island —are part of

8496-865: The city, such as on Yerba Buena Island and in the Yerba Buena Center for the Arts and Yerba Buena Gardens . While people residing outside the San Francisco Bay Area use nicknames including "Frisco" and "San Fran", local residents in the Bay Area sometimes refer to San Francisco as "the City" or "SF". The choice of nickname a person uses is a common way for locals to distinguish long-time residents from tourists and recent arrivals. "San Fran" and "Frisco" are sometimes considered controversial as nicknames among San Francisco residents. The earliest archeological evidence of human habitation of

8614-432: The city. Also included are the uninhabited Farallon Islands , 27 miles (43 km) offshore in the Pacific Ocean. The mainland within the city limits roughly forms a "seven-by-seven-mile square," a common local colloquialism referring to the city's shape, though its total area, including water, is nearly 232 square miles (600 km ). There are more than 50 hills within the city limits. Some neighborhoods are named after

8732-522: The country and the world at large over the years. In 2012, Bloomberg Businessweek voted San Francisco as America's Best City. The Museum of Modern Art (SFMOMA) contains 20th Century and contemporary pieces. It moved to its building in South of Market in 1995 and attracts 600,000 visitors annually. The California Palace of the Legion of Honor contains primarily European works. The De Young Museum and

8850-515: The country at the time. His financial empire, however, collapsed in 1875 as a result of the Panic of 1873 , triggering a major economic crisis in San Francisco. Development of the Port of San Francisco and the establishment in 1869 of overland access to the eastern U.S. rail system via the newly completed Pacific Railroad (the construction of which the city only reluctantly helped support ) helped make

8968-419: The deal was completed in October 2010, at which point the company was renamed UBM Canon . Electronics part of Canon (including EDN ) later merged into UBM Electronics. In July 2012, UBM TechWeb changed its name to UBM Tech. On June 3, 2016, UBM announced that EE Times , along with the rest of the electronics media portfolio (EDN, Embedded.com, TechOnline and Datasheets.com) was being sold to AspenCore Media,

9086-683: The development of West Portal , and nearby affluent Forest Hill and St. Francis Wood . Further west, stretching all the way to the Pacific Ocean and north to Golden Gate Park lies the vast Sunset District , a large middle-class area with a predominantly Asian population. The northwestern quadrant of the city contains the Richmond , a mostly middle-class neighborhood north of Golden Gate Park, home to immigrants from other parts of Asia as well as many Russian and Ukrainian immigrants. Together, these areas are known as The Avenues . These two districts are each sometimes further divided into two regions:

9204-509: The emergence of The Castro as an urban gay village , the election of Harvey Milk to the Board of Supervisors , and his assassination , along with that of Mayor George Moscone , in 1978. Bank of America , now based in Charlotte , North Carolina , was founded in San Francisco; the bank completed 555 California Street in 1969. The Transamerica Pyramid was completed in 1972, igniting

9322-671: The events assets of MediaLive International Inc. This transaction included COMDEX and Interop which later integrated into CMP Technology. In 2008, United Business Media broke CMP into four divisions inside UBM, notably merged the IT portion of CMP into UBM TechWeb and the electronics portion into UBM Electronics. "Today, the name is gone and what's left of the company is part of the British media conglomerate, UBM plc," according to Newsday. In September 2010, Canon Communications announced that it had agreed to be acquired by United Business Media and

9440-774: The excavation of the Yerba Buena Tunnel through Yerba Buena Island during the construction of the Bay Bridge. Such land tends to be unstable during earthquakes. The resulting soil liquefaction causes extensive damage to property built upon it, as was evidenced in the Marina district during the 1989 Loma Prieta earthquake . A few natural lakes and creeks ( Lake Merced , Mountain Lake , Pine Lake , Lobos Creek , El Polin Spring ) are within parks and remain protected in what

9558-520: The fact that there were no churches to be found, prompted missionaries like William Taylor to come to San Francisco where he began preaching in the streets, using an upright barrel as his pulpit. Taylor was able to garner enough generous donations from successful gold miners with which he used to build a church. One of the most influential figures of this era was William Chapman Ralston . A shrewd banker and investor, Ralston amassed considerable wealth and influence in San Francisco. He gained control over

9676-497: The famous " Painted Ladies ," standing alongside Alamo Square . To the south, near the geographic center of the city is Haight-Ashbury , famously associated with 1960s hippie culture. The Haight is now home to some expensive boutiques and a few controversial chain stores, although it still retains some bohemian character. North of the Western Addition is Pacific Heights , an affluent neighborhood that features

9794-586: The film Stage Left: A Story of Theater in San Francisco . The Tony Award -winning non-profit American Conservatory Theater (A.C.T.) is a member of the national League of Resident Theatres , and has been in San Francisco since it moved from Pittsburgh in 1967. Other local winners of the Regional Theatre Tony Award include the San Francisco Mime Troupe , and Berkeley Rep in nearby Berkeley . The Magic Theatre

9912-610: The first land grant in Yerba Buena: to William Richardson , a naturalized Mexican citizen of English birth. Richardson had arrived in San Francisco aboard a whaling ship in 1822. In 1825, he married Maria Antonia Martinez, eldest daughter of the Californio Ygnacio Martínez . Yerba Buena began to attract American and European settlers; an 1842 census listed 21 residents (11%) born in the United States or Europe, as well as one Filipino merchant. Following

10030-408: The following: San Francisco has often hosted influential rock music trends, starting with the San Francisco Sound during the 1960s. Two of the most influential bands from that era, the Grateful Dead and Jefferson Airplane , started out in San Francisco in 1965. Other groups include rockers Creedence Clearwater Revival , Santana , soft rock band Pablo Cruise and Journey , seminal punk band

10148-518: The gateway to the goldfields, experienced a surge in population and commercial activity. However, the influx of fortune seekers also brought challenges. Lawlessness was rampant, and the Barbary Coast district became synonymous with vice, attracting criminals, prostitutes, and illicit activities, including but not limited to prostitution, bootlegging , and gambling. The rapidly growing population, with its lawlessness, gambling and other vices, and

10266-457: The hill on which they are situated, including Nob Hill , Potrero Hill , and Russian Hill . Near the geographic center of the city, southwest of the downtown area, are a series of less densely populated hills. Twin Peaks , a pair of hills forming one of the city's highest points, forms an overlook spot. San Francisco's tallest hill, Mount Davidson , is 928 feet (283 m) high and is capped with

10384-562: The homes built by wealthy San Franciscans in the wake of the 1906 earthquake. Directly north of Pacific Heights facing the waterfront is the Marina , a neighborhood popular with young professionals that was largely built on reclaimed land from the Bay. In the southeast quadrant of the city is the Mission District —populated in the 19th century by Californios and working-class immigrants from Germany, Ireland, Italy, and Scandinavia. In

10502-580: The idea that if someone can perform something scripted (like a play , movie , or musical ) then it can also be improvised just as well. Some groups that define the improvisation scene in San Francisco are: BATS Improv , The Un-Scripted Theater Company , and The San Francisco Improv Alliance. San Francisco theaters frequently host pre- Broadway engagements and tryout runs, and some original San Francisco productions have later moved to Broadway. Plays and productions that have been staged in San Francisco (or nearby) prior to their Broadway productions include

10620-538: The larger Port of Oakland . The city began to lose industrial jobs and turned to tourism as the most important segment of its economy. The suburbs experienced rapid growth, and San Francisco underwent significant demographic change, as large segments of the white population left the city, supplanted by an increasing wave of immigration from Asia and Latin America. From 1950 to 1980, the city lost over 10 percent of its population. Over this period, San Francisco became

10738-791: The largest of these are Castro Street Fair , Union Street Art Festival , North Beach Festival , and Haight-Ashbury Street Fair . The San Francisco Opera company puts on an annual free Opera in the Park performance in Golden Gate Park . The San Francisco Symphony does likewise on several dates in July, including one as part of the Stern Grove Festival . On the Fourth of July holiday, there are fireworks shows over Fisherman's Wharf and Marina Green . Another fireworks show

10856-700: The local variety of sourdough bread , the Mission burrito , and steam beer . Fisherman's Wharf has served local specialty Dungeness crab for decades. Food companies include Anchor Brewing Company , Boudin Bakery , the Ghirardelli Chocolate Company . Famous past and present restaurants include the Tonga Room , Fleur de Lys , Greens , Original Joe's , Stars , Vesuvio Cafe and the Top of

10974-605: The local, national, and international LGBTQIA+ community. Hundreds of smaller, alternative theatres also attract a significant portion of the audience given their historical role in the San Francisco performing arts culture. The oldest of these are Intersection for the Arts , founded in 1965, and the Magic Theatre , founded in 1967. A major player in the promotion of theater in the Bay Area is Theatre Bay Area (or TBA) . A non profit organization, Theatre Bay Area has members from more than 365 Bay Area theatre and dance companies,

11092-518: The metropolitan area, with 4.5 million residents, ranked 5th by GDP ($ 874 billion) and 2nd by GDP per capita ($ 131,082) across the OECD countries, ahead of global cities like Paris , London , and Singapore . It is the fourth-largest by aggregate income and economic output, with a GDP of $ 729 billion in 2022 . The wider San Jose–San Francisco–Oakland Combined Statistical Area is the nation's fifth-most populous, with around nine million residents, and

11210-475: The missions were made to divest themselves of their extensive landholdings and emancipate the indigenous people under their control. As part of the process of secularization, Governor José Figueroa opened up San Francisco to civilian settlement. Prior to secularization, the only settlements in San Francisco had been the military settlement at the Presidio and the religious settlement at Mission Dolores. In 1835,

11328-484: The period of Mexican rule , although it was not until 1833 that the missions would be secularized. Agricultural land became largely privatized as ranchos , as was occurring in other parts of California. Coastal trade increased, including a half-dozen barques from various Atlantic ports which regularly sailed in California waters. With the enactment of the Mexican Secularization Act of 1833 ,

11446-585: The primary port of embarkation for service members shipping out to the Pacific Theater of Operations . The explosion of jobs drew many people, especially African Americans from the South , to the area. After the end of the war, many military personnel returning from service abroad and civilians who had originally come to work decided to stay. The United Nations Charter creating the United Nations

11564-686: The quality of housing after the earthquake. The earthquake hastened development of western neighborhoods that survived the fire, including Pacific Heights , where many of the city's wealthy rebuilt their homes. In turn, the destroyed mansions of Nob Hill became grand hotels. City Hall rose again in the Beaux Arts style, and the city celebrated its rebirth at the Panama–Pacific International Exposition in 1915. During this period, San Francisco built some of its most important infrastructure. Civil Engineer Michael O'Shaughnessy

11682-564: The rest of the country . Unlike Chicago where one venue will host three 30-45 minute shows in one evening, most San Francisco improv shows are 2 hours long, complete with their own intermission. And while Chicago and New York are full of improv companies who perform formats based on the Harold (with multiple storylines going on at the same time), San Francisco is full of improv shows with single-story formats. Often referred to as play-length improv shows, these improv shows are rooted in

11800-475: The several thousands. More than half of the city's population of 400,000 was left homeless. Refugees settled temporarily in makeshift tent villages in Golden Gate Park, the Presidio, on the beaches, and elsewhere. Many fled permanently to the East Bay . Jack London is remembered for having famously eulogized the earthquake: "Not in history has a modern imperial city been so completely destroyed. San Francisco

11918-543: The southern side of the Golden Gate , which later came to be known as Fort Point. In 1804, the province of Alta California was created, which included San Francisco. At its peak in 1810–1820, the average population at the Mission Dolores settlement was about 1,100 people. In 1821, the Californias were ceded to Mexico by Spain. The extensive California mission system gradually lost its influence during

12036-576: The strategic benefits of the area due to its large natural harbor, the Spanish dispatched Pedro Fages in 1770 to find a more direct route to the San Francisco Peninsula from Monterey , which would become part of the El Camino Real route. By 1774, Juan Bautista de Anza had arrived to the area to select the sites for a mission and presidio . The first European maritime presence in San Francisco Bay occurred on August 5, 1775, when

12154-493: The territory of San Francisco dates to 3000 BCE. The Yelamu group of the Ramaytush people resided in a few small villages when an overland Spanish exploration party arrived on November 2, 1769, the first documented European visit to San Francisco Bay . The Ohlone name for San Francisco was Ahwaste , meaning, "place at the bay." The arrival of Spanish colonists, and the implementation of their Mission system, marked

12272-493: The third-largest by economic output, with a GDP of $ 1.32 trillion in 2022 . In the same year, San Francisco proper had a GDP of $ 252.2 billion, and a GDP per capita of $ 312,000. San Francisco was ranked fifth in the world and second in the United States on the Global Financial Centres Index as of September 2023 . Despite a continuing exodus of businesses from the downtown area of San Francisco,

12390-402: The underwater lot. By 1851, the harbor was extended out into the bay by wharves while buildings were erected on piles among the ships. By 1870, Yerba Buena Cove had been filled to create new land. Buried ships are occasionally exposed when foundations are dug for new buildings. California was quickly granted statehood in 1850, and the U.S. military built Fort Point at the Golden Gate and

12508-415: Was a major city known for its flamboyant style, stately hotels, ostentatious mansions on Nob Hill , and a thriving arts scene. The first North American plague epidemic was the San Francisco plague of 1900–1904 . At 5:12 am on April 18, 1906, a major earthquake struck San Francisco and northern California. As buildings collapsed from the shaking, ruptured gas lines ignited fires that spread across

12626-552: Was also concern that a new town being planned by General Vallejo on the Carquinez Strait was to be called "Francisca", after the first name of his wife. After the name change to "San Francisco", the name of Vallejo's town was changed to Benicia , after his wife's middle name. Following the Treaty of Guadalupe Hidalgo in 1848, Alta California was ceded from Mexico to the United States . Despite its attractive location as

12744-662: Was at the height of the Great Depression that San Francisco undertook two great civil engineering projects, simultaneously constructing the San Francisco–Oakland Bay Bridge and the Golden Gate Bridge , completing them in 1936 and 1937, respectively. It was in this period that the island of Alcatraz , a former military stockade, began its service as a federal maximum security prison, housing notorious inmates such as Al Capone , and Robert Franklin Stroud ,

12862-464: Was centered on a plaza that is now Portsmouth Square . A land survey of Yerba Buena was made by the Swiss immigrant Jean Jacques Vioget as prelude to the city plan. Francisco de Haro , a non- Californio Mexican native, became the first alcalde of Yerba Buena. The second alcalde José Joaquín Estudillo was a Californio from a prominent Monterey family. In 1835, while in office, he approved

12980-598: Was drafted and signed in San Francisco in 1945 and, in 1951, the Treaty of San Francisco re-established peaceful relations between Japan and the Allied Powers . Urban planning projects in the 1950s and 1960s involved widespread destruction and redevelopment of west-side neighborhoods and the construction of new freeways , of which only a series of short segments were built before being halted by citizen-led opposition . The onset of containerization made San Francisco's small piers obsolete, and cargo activity moved to

13098-437: Was granted a small rancho at El Polín Spring , near the Presidio, founding the first non-indigenous civilian household in San Francisco. In 1834, the pueblo of Yerba Buena was founded. Yerba Buena Cove (named after a native herb ) was already a favored anchorage spot and the new settlement and trading post was founded by its shores. Yerba Buena was located in what is now the city's Chinatown and Financial District and

13216-407: Was grouped into CMP GamaNetwork in early 2001. Black Hat Briefings was acquired in 2005. In May 2006, CMP Media changed its name to CMP Technology. In September 2006, NewBay Media acquired CMP Entertainment Media from United Business Media. The trade book operations of CMP were sold to Elsevier and Hal Leonard . In November 2006, Forbes reported that United Business Media had purchased

13334-904: Was hired by San Francisco Mayor James Rolph as chief engineer for the city in September 1912 to supervise the construction of the Twin Peaks Reservoir, the Stockton Street Tunnel , the Twin Peaks Tunnel , the San Francisco Municipal Railway , the Auxiliary Water Supply System , and new sewers. San Francisco's streetcar system, of which the J , K , L , M , and N lines survive today, was pushed to completion by O'Shaughnessy between 1915 and 1927. It

13452-723: Was renovated for the purpose under the direction of Italian architect Gae Aulenti who had previously overseen the conversion of the Musée d'Orsay in Paris . The San Francisco Zoo cares for a total of about 250 animal species, 39 of which have been deemed endangered or threatened. Other museums include the Museum of the African Diaspora , the Contemporary Jewish Museum , the Museum of Craft & Folk Art,

13570-446: Was signed in San Francisco, establishing the United Nations and in 1951, the Treaty of San Francisco re-established peaceful relations between Japan and the Allied Powers . After the war, the confluence of returning servicemen, significant immigration , liberalizing attitudes, the rise of the beatnik and hippie countercultures, the sexual revolution , the peace movement growing from opposition to United States involvement in

13688-766: Was sold to United News & Media's Miller Freeman in 1999, Miller Freeman subsequently sold CMP UK and France to VNU . VNU Business Publications was later acquired by Incisive Media in 2007. In 2000, the US IT portion of Miller Freeman was merged into CMP. CMP Channel (including CRN US) was spun off as UBM Channel and later went into management buyout as The Channel Company in 2013. The Channel Company later acquired technology division of Incisive Media and gained rights to CRN UK in 2022. The music portions of CMP and Miller Freeman were spun off as Music Player Network, which managed by CMP Entertainment Media. The gaming portion (including Gamasutra and Game Developer Conference )

13806-410: Was the O'Shaughnessy Dam , Hetch Hetchy Reservoir , and Hetch Hetchy Aqueduct that would have the largest effect on San Francisco. An abundant water supply enabled San Francisco to develop into the city it has become today. In ensuing years, the city solidified its standing as a financial capital; in the wake of the 1929 stock market crash , not a single San Francisco-based bank failed. Indeed, it

13924-546: Was the home theater of the playwright Sam Shepard during his most productive period, and many of his plays were first staged there. San Francisco-based SHN hosts productions of Broadway shows in its vintage 1920s-era venues in the Theater District : the Curran , Orpheum , and Golden Gate Theatres. San Francisco has had a thriving improv theatre community, with a distinctly different style of improv than much of

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