California is a borough on the Monongahela River in Washington County, Pennsylvania, United States.
[5] Founded in 1849, the borough was named for the territory of California following the gold rush.
East Pike Run Township merged with California Borough in 1953.
The former Vigilant Mine in California once produced the largest single lump of coal in the world.
California was once home to the largest soft coal mine in the world when Vesta # 4 opened in 1893.
[6] The Molly Fleming House, Jennings-Gallagher House, Malden Inn, Old Main, California State College and former Pennsylvania Railroad Passenger Station are listed on the National Register of Historic Places.
[8] The California Boatyards played an important role in building steamboats for western expansion.
Across the Monongahela River in Fayette County, California runs adjacent with Newell and Jefferson Township.