Here are the 50 official state flags in the U.S., ... The California state flag adorns the state's official animal, ... Washington is the only state with a flag that has a green background.

This is the design of the first California bear flag, flown during the short-lived Bear Flag Revolt of 1846. The original flag was lost during the San Francisco Earthquake, but a copy was saved.

The Palmetto Flag with the crescent and blue background has been South Carolina’s flag since Jan. 28, 1861 — five weeks after the state seceded from the Union and kicked off the Civil War.