Oglala Sioux is a Indian group of Tau'ri living in America. Over a small band of Oglala Sioux descended from whose people had fallen to the Roman four years earlier. Both groups came to an alliance and combine nomadic survival skills with Europeans knights knowledge of strategy and tactics were remarkably advanced military minds managed to survive and attract the scattered remains of the second losing civilizations. (RPG: "First Steps: The Stargate Unexplored Worlds Roleplaying Sourcebook")