Fort Leavenworth, Kansas
Lat/Long: 39.352632, -94.922322
Established on the bank of the Missouri River in 1827, Fort Leavenworth became one of the most important western outposts for the U.S. Army. It also served as the seat of government for the Territory of Kansas in 1854.
Jesse A. Hall and Leroy T. Hand, History of Leavenworth County Kansas (Topeka, KS: Historical, 1921), 171-72, 174.