The Wounded Knee Massacre (officially Battle of Wounded Knee) occurred on December 29, 1890, near Wounded Knee Creek (Lakota: Čhaŋkpé Ópi Wakpála) on the Lakota Pine Ridge Indian Reservation in the U.S. state of South Dakota. On the day before, a detachment of the U.S. 7th Cavalry Regiment commanded by Major Samuel M. Whitside intercepted Spotted Elk's band of Miniconjou Lakota and 38 Hunkpapa Lakota near Porcupine Butte and escorted them five miles westward (8 km) to Wounded Knee Creek, where they made camp.