Sioux Wars defeated a force of 1,300 Americans under General George Crook. Crook retreated which helped lead to the infamous Battle of Little Big Horn beginning on June 25. Lieutenant Colonel George Custer, commanding a force of over 600 troops, was badly defeated with the loss of over 300 men killed or wounded, including himself. The next major engagement occurred at Slim Buttes on September 9 and 10. While moving toward Deadwood to secure supplies for Crook's command, elements of the 1st Cavalry commander by Capt Anson Mills located and attacked a Sioux village. The Dull Knife Fight, on November 25, and
George Armstrong Custer A roommate noted, "It was alright with George Custer, whether he knew his lesson or not; he simply did not allow it to trouble him." Under ordinary national conditions, Custer's low class rank would result in an obscure posting, but Custer had the "fortune" to graduate as the Civil War broke out. All officers were needed. Like the other graduates, Custer was commissioned as a second lieutenant; he was assigned to the 2nd U.S. Cavalry Regiment and tasked with drilling volunteers in Washington, D.C. On July 21, 1861, he was with his regiment at the First Battle of Bull Run