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 northwest, his movements masked by the thick bramble of trees that ran along the southern banks of the Little Bighorn River. The same trees on his front right shielded his movements across the wide field over which his men rapidly rode, first with two approximately forty-man companies abreast and eventually with all three charging abreast. The trees also obscured Reno's view of the Native American village until his force had passed that bend on his right front and was suddenly within arrow-shot of the village. The tepees in that area were occupied by the Hunkpapa Sioux. Neither Custer nor Reno