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 write a lengthy defense of Finkel's participation in the battle. Douglas Ellison—mayor of Medora, North Dakota, and an amateur historian—also wrote a book in support of the veracity of Finkel's claim, but most scholars reject it. Some of these survivors held a form of celebrity status in the United States, among them Raymond Hatfield "Arizona Bill" Gardner and Frank Tarbeaux. A few even published their own autobiographies, including their deeds at the Little Bighorn. Almost as soon as men came forward implying or directly pronouncing their unique role in the battle, there were others who were equally opposed to any