Reva, South Dakota Reva, South Dakota Reva is an unincorporated community in Harding County, South Dakota, United States. Although not tracked by the Census Bureau, Reva has been assigned the ZIP code of 57651. The community has the name of Reva Bonniwell, the daughter of a first settler. The Battle of Slim Buttes occurred here on September 9–10, 1876, in the Great Sioux Reservation between the United States Army and Miniconjou Sioux during the Great Sioux War of 1876. It marked the first significant victory for the Army since the stunning defeat of General George Custer at the Battle of Little Bighorn in
Battle of the Little Bighorn reenactment opposite from Medicine Tail Coulee, where fighting may have taken place. The Hardin Area Chamber of Commerce and Agriculture has annually conducted the "Custer's Last Stand Reenactment" performed 6 miles outside of Hardin, Montana on Old U.S. Highway 87. Joe Medicine Crow wrote the script for the narrative in 1965, which recounts the significant events leading up to the battle. Although the reenactment has been held annually since the early 1990s, the 2015 event has been canceled due to costs. Battle of the Little Bighorn reenactment Battle of the Little Bighorn Reenactment is a reenactment of the Battle of the