The first leader of this group suffered from a severe speech impediment, and one member of this group, Ely Parker, wrote the instrument of surrender at Appomattox. Cadwallader Colden was an unabashed 
The first leader of this group suffered from a severe speech impediment, and one member of this group, Ely Parker, wrote the instrument of surrender at Appomattox. Cadwallader Colden was an unabashed admirer of this group, whose "Messiah", Handsome(*)  Lake, may have inspired some of the tenets of Mormonism. This group was among the combatants in Dummer's War and fought the Beaver Wars in the 17th century. The Great Law of Peace continues to govern this group. This group's namesake "League" is headquartered at Onondaga and admitted the Tuscarora in the 18th century. For ten points, name this group legendarily founded by Tododaho, Deganawidah, and Hiawatha.
The first leader of this group suffered from a severe speech impediment, and one member of this group, Ely Parker, wrote the instrument of surrender at Appomattox.
 Iroquois  (accecpt "Mohawk" before "Messiah")