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 by a large force of Sioux who (no longer engaging Reno) rushed down the valley. This was the beginning of their attack on Custer who was forced to turn and head for the hill where he would make his famous "last stand". Thus, wrote Curtis, "Custer made no attack, the whole movement being a retreat". Other historians claim that Custer never approached the river, but rather continued north across the coulee and up the other side, where he gradually came under attack. According to this theory, by the time Custer realized he was badly outnumbered, it was too late to