Iroquois Confederacy | Definition, Significance, History, & Facts

Iroquois Confederacy (or Haudenosaunee Confederacy), confederation of five (later six) Indian tribes across upper New York state that participated in the struggle between the French and British in North America. The Iroquois nations are the Mohawk, Oneida, Onondaga, Cayuga, Seneca, and Tuscarora.