Battle of Slim Buttes Battle of Slim Buttes The Battle of Slim Buttes was fought on September 9 and 10, 1876, in the Great Sioux Reservation in the Dakota Territory, between the United States Army and the Sioux. The Battle of Slim Buttes was the first U.S. Army victory of the Great Sioux War of 1876 after George Armstrong Custer's defeat at the Battle of Little Bighorn on June 25 and 26, 1876. Brigadier General George Crook, one of the U.S. Army's ablest Indian fighters, led the "Horsemeat March," one of the most grueling military expeditions in U.S. history, destroying Oglala Chief American Horse's
George Armstrong Custer Volunteer Service: February 1, 1866<br> Lieutenant Colonel, 7th Cavalry: July 28, 1866 (killed at the Battle of the Little Bighorn, June 25, 1876)<br> On June 3, 1865, at Sheridan's behest, Major General Custer accepted command of the 2nd Division of Cavalry, Military Division of the Southwest, to march from Alexandria, Louisiana, to Hempstead, Texas, as part of the Union occupation forces. Custer arrived at Alexandria on June 27 and began assembling his units, which took more than a month to gather and remount. On July 17, he assumed command of the Cavalry Division of the Military Division of the Gulf