Prior to European settlement in the area, the peninsula that now contains San Francisco was home to the Yelamu tribe, who were part of the larger Ohlone language group which stretched south from the Bay Area to the Big Sur of California. Due to San Francisco's characteristic foggy weather, the earliest European explorers completely bypassed the Golden Gate and the San Francisco Bay. The first European settlement in the area was founded by the Spaniards in 1776 as a mission community surrounding the Mission San Francisco de Asís, in what is today called the Mission Dolores in the Mission District. In addition to the mission, a military fort was built near the Golden Gate: the Presidio. Upon gaining independence from Spain in 1821, the area became part of Mexico. Under Mexican rule, the mission system gradually came to an end and private ownership of land became a possibility. In 1835, an Englishman named William Richardson founded the town of Yerba Buena, the first significant settlement on the peninsula outside of the Mission Dolores area. As the new settlement gradually grew, Yerba Buena developed a street plan and became attractive to settlers. In 1846, the United States claimed California, and in July of that year, the U.S. Navy arrived to raise the American flag above Yerba Buena. Over the next couple of years, California officially became part of the United States following the Mexican-American War, and the name of the town was changed from Yerba Buena to San Francisco. With the California Gold Rush of 1848, San Francisco began to explode in population. Waves of immigrants came to the city to seek their fortunes, including large numbers of Chinese immigrants, forming one of the largest Chinese populations outside of Asia. During this time, many major businesses were created and flourished in San Francisco, and famous (and infamous) personalities settled in the city. Of course, with all this success came problems: the rapid growth of the city outstripped any efforts at city planning, meaning proper..