7th Cavalry Regiment the Wounded Knee Massacre in South Dakota, an event that signaled the end of the American Indian Wars. A total of 45 men earned the Medal of Honor while serving with the 7th Cavalry during the American Indian Wars: 24 for actions during the Battle of the Little Bighorn, two during the Battle of Bear Paw, 17 for being involved in the Wounded Knee Massacre or an engagement at White Clay Creek the next day, and two during other actions against the Sioux in December 1890. From 1895 until 1899, the regiment served in New Mexico (Fort Bayard) and Oklahoma
5th Cavalry Regiment Henry Thomas. The regiment was rebuilt with new officers and recruits loyal to the Union and was assigned to the Army of the Potomac under the command of General George McClellan. On 21 July 1861, the regiment participated in its first battle of the American Civil War, the First Battle of Bull Run; it was the last action in which they would be called the "2nd Cavalry." In the summer of 1861, all regular mounted regiments were re-designated as "cavalry", and being last in seniority among the existing regiments, the regiment was re-designated as the 5th United States Cavalry. During