• The
Golden Gate International Exposition (poster pictured, left) opens at newly created
Treasure Island
• The
Neptune Beach amusement park closes in
Alameda
•
Hewlett-Packard is founded in a
garage (pictured) in
Palo Alto
•
Blue Shield of California is founded in San Francisco by the
California Medical Association
•
Consumers' Cooperative of Berkeley opens, having formed from the Berkeley Buyers' Club, which was associated with the
End Poverty in California movement
• The
Top of the Mark rooftop bar (pictured) is established at the top of the
Mark Hopkins Hotel on
Nob Hill in San Francisco
•
Nuclear scientist
Ernest Lawrence at the
University of California, Berkeley wins the
Nobel Prize for Physics for his invention of the
cyclotron