Thomas Weir (American soldier) Thomas Weir (American soldier) Captain Thomas Benton Weir (b. September 28, 1838 -– d. December 9, 1876) was an officer in the 7th Cavalry Regiment (United States), notable for his participation in the Battle of the Little Bighorn, also known as Custer's Last Stand. Weir served under General George Armstrong Custer during the American Civil War, and after the war continued serving with Custer up to the famous battle in 1876. During the Little Bighorn Battle, Weir disobeyed orders to remain in a defensive position at Reno Hill and led a cavalry group that attempted to come to Custer's aid.
George Armstrong Custer Colorado to July 28. 1867. He took part in Major General Winfield Scott Hancock's expedition against the Cheyenne. On June 26, Lt. Lyman Kidder's party, made up of ten troopers and one scout, were massacred while en route to Fort Wallace. Lt. Kidder was to deliver dispatches to Custer from General Sherman, but his party was attacked by Lakota Sioux and Cheyenne (see "Kidder massacre"). Days later, Custer and a search party found the bodies of Kidder's patrol. Following the Hancock campaign, Custer was arrested and suspended at Fort Leavenworth, Kansas to August 12, 1868 for being AWOL, after having