Founding of Mission San Carlos Borromeo at Monterey Bay.
Brigadier General Bennett Riley, military governor of California, calls for a California constitutional convention.
The classic baseball poem “Casey at the Bat,” written by Ernest L. Thayer, is published in the San Francisco Examiner. [Source: HistoryNet.com.]
The 200-inch reflecting Hale Telescope at the Palomar Mountain Observatory in California was dedicated. [Source: the Orange County Register.]