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 Indian reservations. The Battle of the Little Bighorn was the subject of an 1879 U.S. Army Court of Inquiry in Chicago, held at Reno's request, during which his conduct was scrutinized. Some testimony by non-Army officers suggested that he was drunk and a coward. The court found Reno's conduct to be without fault. After the battle, Thomas Rosser, James O'Kelly, and others continued to question the conduct of Reno due to his hastily ordered retreat. Defenders of Reno at the trial noted that, while the retreat was disorganized, Reno did not withdraw from his position until it became apparent that