Red Cloud was born in 1822 near North Platte, Nebraska. Chief of the Oglala Sioux, Red Cloud was known for his feats of courage, and he attracted followers from other tribes in addition to his own. He led the fight against the U.S. government's plan to open the Bozeman Trail. The proposed trail and its forts cut right through a vital Sioux hunting ground just east of the Bighorn Mountains in South Dakota. For two years, Red Cloud mounted attacks against the project, among them the Fetterman Massacre of 1866, one of the most severe. He and his followers were successful, and the government abandoned the trail after signing the Treaty of Fort Laramie in 1868.