1903 Event Yerba Buena is 1st Key System ferry to cross San Francisco Bay 1898 Event Army transfers Yerba Buena Island in San Francisco Bay to Navy 1850 Event Yerba Buena and Angel Islands (SF Bay) reserved for military use 1847 Event Yerba Buena renamed San Francisco 1847 Event California town of Yerba Buena renamed San Francisco 1846 Event W A Bartlett appointed 1st U.S. mayor of Yerba Buena (SF) 1846 Event Captain Montgomery claims Yerba Buena, San Francisco, for U.S. 1835 Event 1st building constructed at Yerba Buena (now SF)
