In 1776, the Spanish officer Juan Bautista de Anza a built a fort to guard the entrance to the San Francisco Bay, and in the same year, Junipero Serra established an outpost in what is now Mission Dolores.
Not long a Spanish outpost, it became a part of Mexico flowing Mexican independence in 1821. San Francisco was captured by the United States in 1846 in the Mexican War. In 1847, the Americans rename the outpost San Francisco, and in 1850 it was incorporated as a city. A gold rush in 1848 swelled the town’s population.
On April 18, 1906, San Francisco was extensively damage by a massive earthquake. In 1934, the city was virtually close down by a longshoremen’s strike that spread into a general regional strike.
Brief history of San Francisco, United States