The Cheyenne Wars were a series of conflicts between the Cheyenne people and the United States government during the mid-19th century. These wars primarily occurred as settlers moved westward, leading to tensions over land and resources. The conflicts included notable events such as the Sand Creek Massacre in 1864, where U.S. troops attacked a peaceful Cheyenne village. The Cheyenne fought to protect their territory and way of life, resulting in several battles and skirmishes. Ultimately, the wars contributed to the forced relocation of the Cheyenne and other Native American tribes onto reservations, significantly impacting their culture and society.