Black Jack, Kansas

Black Jack is an unincorporated community in Douglas County, in the U.S. state of Kansas.
History.
The Battle of Black Jack was fought near Black Jack Creek in 1856. 
Black Jack was created in 1857. It was named after nearby Black Jack Creek. The creek was named for the Blackjack Oak trees along it. A post office was created at Black Jack in 1858. It continued to be used until 1895.