The historical unit of the US Army that began its service before the Civil War fought in what battle in 1879?
Wilhelm O. Philipsen: Wilhelm O. Philipsen (1852–1913), a recipient of the Medal of Honor, served as a blacksmith in Company D of the U.S. Army’s 5th Cavalry Regiment during the Battle of Milk Creek in 1879. 5th Cavalry Regiment: The 5th Cavalry Regiment ("Black Knights") is a historical unit of the United States Army that began its service in the decade prior to the American Civil War and continues in modified organizational format in the U.S. Army.
Battle of Milk Creek