![Sentinel Building, American Zoetrope HQ](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Cafe_Zoetrope_Building.jpg/100px-Cafe_Zoetrope_Building.jpg)
![Children experimenting with vapor, Exploratorium](http://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Blowing_Smoke.jpg/100px-Blowing_Smoke.jpg)
![Logo for The Gap](http://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Gap_1972_service_mark.svg/100px-Gap_1972_service_mark.svg.png)
![San Jose Museum of Art](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/San_Jose_Museum_of_Art.jpg/100px-San_Jose_Museum_of_Art.jpg)
![People's Park, Berkeley](http://upload.wikimedia.org/wikipedia/commons/thumb/1/11/People%27s-Park.jpg/100px-People%27s-Park.jpg)
• The Altamont Free Concert is held at the Altamont Speedway between Tracy and Livermore
• Advanced Micro Devices is founded in Sunnyvale
• American Zoetrope (headquarters at the Sentinal Building pictured) is founded in San Francisco by Francis Ford Coppola
• The Exploratorium (interior pictured) is founded in San Francisco
• Clothing retailer The Gap (early logo pictured) is founded in San Francisco
• The Oakland Museum of California is established
• The San Jose Museum of Art (pictured) is established
• A "People's Park" (pictured) is created by community activists on University of California, Berkeley property, off Telegraph Avenue in Berkeley
• The Bank of America Center building in San Francisco is completed
• The Occupation of Alcatraz by Native American activists begins
• Earth Day is first proposed by John McConnell at a UNESCO conference in San Francisco