Winfield Scott Edgerly 27, 1875. From May to September 1876, the 7th Cavalry, including Edgerly, participated in the Sioux Expedition. Edgerly was promoted to first lieutenant in the 7th Cavalry effective June 25, 1876. The regiment was engaged in the Battle of the Little Bighorn on June 26–27, 1876. Edgerly was the second in command of Company D, serving under Captain Thomas Weir; Company D was assigned to Captain Frederick Benteen's Battalion. Prior to the battle, Lieutenant Colonel George Armstrong Custer was discussing upcoming events with his junior officers; Edgerly expressed enthusiasm about the possibility of success; Custer replied that success depended on
7th Cavalry Regiment September 1866 at Fort Riley, Kansas, as part of an expansion of the regular army following the demobilization of the wartime volunteer and draft forces. From 1866 through 1871, the regiment was posted to Fort Riley and fought in the American Indian Wars. In the Battle of the Washita in 1868, the regiment sustained 22 losses, while inflicting more that 150 deaths on a Cheyenne encampment, mostly women and children . This attack was led by George Armstrong Custer, who later led the 7th Cavalry to the most calamitous defeat of U.S. forces in the Indian Wars. Typical of post-Civil