Confederate Colonel Joseph O. Shelby's cavalry raiders set out from Arkadelphia, Arkansas, on what will become known as "Shelby's Great Raid," one of the most notable cavalry raids of the war. The month-long incursion into Missouri takes 800 men over 1,500 miles and inflicts more than 1,000 casualties before the raiders return to Arkansas on October 26. Colonel Shelby is later promoted to Brigadier General Shelby.