On September 28, 1542, Juan Rodriguez Cabrillo of Portugal, sailing under the Spanish flag, sailed into San Diego Bay. While exploring the northwest shores of Mexico, Cabrillo became the first European to reach California. Cabrillo's observations may have informed Diego Gutierrez's draft of the first map of America to include the name California, which references Baja California, or Cape California, at the far southern part of Baja. This im...