(as of January 2002)

Prehistory: Bay Miwok Indian Period

• Chupcan Indian tribelet occupies Diablo Valley.
• Oak, pine, and willow trees proliferated across the valley and foothills.
• Bear, elk, deer and coyote roamed the area. The streams teem with salmon.

1770’s: First Europeans cross Diablo Valley

• Captain Pedro Fages and Padre Juan Crespi lead party in 1772.
• Lt. Col. Juan Bautista de Anza, Padre Pedro Font and Lt. Joachim Moraga lead party in 1776.

1810’s: Indians disappear from Valley

• Chupcan Indians are missionized at San Jose and San Francisco missions.