1912
• The Bay to Breakers (news headline on race pictured, right) is run in San Francisco for the first time
• Chinese restaurant Sam Wo (pictured, left. translation: "Three Harmonies Porridge and Noodles") in San Francisco's Chinatown opens
• Sunnyvale in Santa Clara County is incorporated
• The California Society of Etchers is founded in San Francisco
• Essanay Studios opens the Essanay-West studio in Niles, at the foot of Niles Canyon