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.
7th Iowa Volunteer Cavalry Regiment the Battle of Killdeer Mountain and in the Battle of the Badlands. Units of the regiment were at Camp Rankin on the South Platte in January, 1865 when more than 1,000 plains Indians attacked the fort and stage station at Julesburg during the Sioux Wars following the Sand Creek Massacre. In the Battle of Julesburg, 14 men of the 7th were killed, including 4 non-commissioned officers. Company F of the regiment accompanied Colonel James H. Kidd's column of the Powder River Expedition in 1865 to the Powder and Tongue river valley's in Dakota Territory and Montana Territory. The regiment was