The Dakota War of 1862, also known as the Sioux Uprising, (and the Dakota Uprising, the Sioux Outbreak of 1862, the Dakota Conflict, the U.S.–Dakota War of 1862 or Little Crow's War) was an armed conflict between the United States and several bands of the eastern Sioux (also known as eastern Dakota). It began on August 17, 1862, along the Minnesota River in southwest Minnesota. It ended with a mass execution of 38 Dakota men on December 26, 1862, in Mankato, Minnesota.