On July 17, 1866, two soldiers and six wagoners were killed by Sioux Indians. In the next two weeks, fourteen more men died in Sioux attacks. The attacks continued through the summer and fall. On December 21, disaster struck. Recklessly pursuing Indians across a wooded ridge, Brevet Lieutenant Colonel William Fetterman and his company fell into an ambush. It was the worst military blunder of the Indian Wars before the Battle of the Little Big Horn...