This Day In History: 1542-09-28
1542: Sailing on behalf of Spain, Juan Rodríguez Cabrillo of Portugal, the first European to explore what is now California, arrives at the site of present-day San Diego.
1542: Sailing on behalf of Spain, Juan Rodríguez Cabrillo of Portugal, the first European to explore what is now California, arrives at the site of present-day San Diego.