Marmaduke–Walker Duel

Date: September 6, 1863 • Location: North Little Rock, United States

General John S. Marmaduke fatally wounded his Confederate Army colleague Lucius M. Walker in a formal duel in Arkansas.

John Sappington Marmaduke was an American politician and soldier. He was the 25th governor of Missouri from 1885 until his death in 1887. During the American Civil War, he was a senior officer of the Confederate States Army who commanded cavalry in the Trans-Mississippi Theater.