The Panama–Pacific International Exposition was a world's fair held in San Francisco, California, United States, from February 20 to December 4, 1915. Its stated purpose was to celebrate the completio
Poster for the exhibition
Promotional material from New Orleans's unsuccessful bid to hold the exposition
An exhibit by the Department of the Interior's Bureau of Mines.
Pioneer Mother (Charles Grafly)
The Golden Gate International Exposition was a World's Fair held at Treasure Island in San Francisco, California, U.S. The exposition operated from February 18, 1939, through October 29, 1939, and fro
Golden Gate International Exposition on Treasure Island
1939 U.S. commemorative stamp featuring the Tower of the Sun