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.
George Armstrong Custer Virginia on September 13, 1863. In 1864, Custer was awarded another star and brevetted to major general rank. At the conclusion of the Appomattox Campaign, in which he and his troops played a decisive role, Custer was present at General Robert E. Lee's surrender to General Ulysses S. Grant, on April 9, 1865. After the Civil War, Custer remained a major general in the United States Volunteers until they were mustered out in February 1866. He reverted to his permanent rank of captain and was appointed a lieutenant colonel in the 7th Cavalry Regiment in July 1866. He was dispatched