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 Slim Buttes June 17, 1876, beat off the Indian attack, driving the Sioux northward as contemplated in Sheridan's plan. From that point of view it was regarded as a victory. Crook had seriously wounded men to care for, His supplies of food and ammunition were used up. Therefore, he fell back to Goose Creek to reorganize." Custer's 7th Cavalry regiment was a major component of General Terry's column. Custer ascended the Little Big Horn in search of an Indian village and attacked on June 26, 1876. "No one had any idea that all of the Indians would be found in one spot