California Becomes a State

September 9, 1850
refer to caption

The 13-cent California state flag stamp was issued February 23, 1976.

Virtual Exhibit

On September 9, 1850, California was admitted to the Union as the 31st American state. In celebration of California's birthday, the National Postal Museum has created this mini-exhibit highlighting different objects and postage stamps with connections to the state of California.

Created by Caitlin Kearney, Web Team Intern, National Postal Museum