(1533) Two ships landed at Baja in La Paz Harbor, local residents killed 20 and ships retreated
(1535) Hernando Cortes led expedition to La Paz, established small colony
(1540) Sea expedition led by Hernando de Alarcon up Gulf of California to mouth of Colorado River, became first Europeans on California soil
(1542) Juan Rodriguez Cabrillo became the first European to explore California, landed at San Diego, discovered Catalina Islands, sites of San Pedro and Santa Monica and Santa Barbara Channel Islands
(1579) Sir Francis Drake landed north of San Francisco Bay, claimed the territory for England
(1669) Gaspar de Portolb, governor of the Californias, led an expedition up the Pacific coast, established California's first mission on San Diego Bay
1700's
(1769) Sargeant Jose Ortega discovered entrance to San Francisco Bay
(1776) Presidio of San Francisco and Mission Dolores founded