June 30, 1823

On this date in history, Missouri's first secretary of state, Joshua Barton, was killed in a duel.

August 26, 1856

District Attorney Thomas C. Reynolds and editor of the St. Louis Democrat, Benjamin Gratz Brown, fought a duel on Bloody Island.  Brown was wounded, and Reynolds was unhurt.  Brown went on to become Governor of Missouri, and Reynolds went on to become the Confederate Governor of Missouri.