answers: 3000 BC
context: Alcalde of San Jose (granted Rancho Los Coches), and José María Alviso, Alcalde of San Jose (granted Rancho Milpitas). In 1835, San Jose's population of approximately 700 people included 40 foreigners, primarily Americans and Englishmen. By 1845, the population of the pueblo had increased to 900, primarily due to American immigration. Foreign settlement in San Jose and California was rapidly changing Californian society, bringing expanding economic opportunities and foreign culture. By 1846, native Californios had long expressed their concern for the overrunning of California society by its growing and wealthy Anglo-American community. On July 11, 1846, with the onset of </s> the Global Financial Centres Index. The earliest evidence of human habitation in what is now the city of San Francisco dates to 3000 BC. Native Americans who settled in this region found the bay to be a resource for hunting and gathering, leading to the establishment of many small villages. Collectively, these early Native Americans are now known as the Ohlone, and the language they spoke belonged to the Miwok family. Their trade patterns included places as far away as Baja California, the Mojave Desert and Yosemite. The earliest Europeans to reach the site of San Francisco were a Spanish </s> number of other uses. Many of these repurposed ships were partially destroyed in one of San Francisco's many fires and ended up as landfill to expand the available land. The population of San Francisco exploded from about 200 in 1846 to 36,000 in the 1852 California Census. In San Francisco, many people were initially housed in wooden houses, ships hauled up on the mud flats to serve as homes or businesses, wood-framed canvas tents used for saloons, hotels and boarding houses as well as other flammable structures. All these canvas and wood structures, combined with a lot of drunken gamblers
question: when did humans begin to live in san francisco