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.
Battle of the Little Bighorn Riley, Kansas, during which time it fought one major engagement and numerous skirmishes, experiencing casualties of 36 killed and 27 wounded. Six other troopers had died of drowning and 51 in cholera epidemics. In November 1868, while stationed in Kansas, the 7th Cavalry under Custer had successfully routed Black Kettle's Southern Cheyenne camp on the Washita River in the Battle of Washita River, an attack which was at the time labeled a "massacre of innocent Indians" by the Indian Bureau. By the time of the Little Bighorn, half of the 7th Cavalry's companies had just returned from 18 months of