Thomas Mower McDougall subsequently he was appointed Captain, 15 Dec 1875. In 1876 Captain McDougall commanded Company B and accompanied the 7th Cavalry Regiment, under command of Lt. Col. George A. Custer in its fateful departure from Fort Abraham Lincoln to participate in what became known as the Great Sioux War of 1876, which culminated in the Battle of the Little Bighorn, also known as Custer's Last Stand which occurred on June 25–26, 1876. On May 17, 1876, the 7th Cavalry left their base at Fort Abraham Lincoln near present day Mandan, North Dakota to join in a campaign against the Sioux Indians.
Battle of Cedar Creek (1876) Regiment, Commanding. Native Americans, Chief Sitting Bull. 5th United States Infantry Regiment Company A: Company B: Company C: Company D: Company E: Company G: Company H: Company I: Battle of Cedar Creek (1876) The Battle of Cedar Creek (also called Big Dry Creek or Big Dry River) occurred on October 21, 1876, in the Montana Territory between the United States Army and a force of Lakota Sioux Native Americans during the Great Sioux War of 1876. The battle broke out after talks between Colonel Nelson A. Miles and Chief Sitting Bull broke down, and ended with surrender of 400 Lakota