Cochise was an Apache chief of the Chiricahua Apache tribe. He headed a rebellion which started in 1861, and after several battles, he and his men were forced to hideout in the Dragoon Mountains. Cochise was able to elude being caught and continued his rampage until a treaty was signed by General Oliver O. Howard and Cochise with the assistance of Tom Jeffords, Cochise's only white friend. What date was the treaty signed.