Ibanga ry’Umucengeri wamenaga amaraso ye kugira ngo u Rwanda rwigarurire amahanga.
Ibanga ry’Umutabazi w’Umucengeri wamenaga amaraso ye kugira ngo u Rwanda rwigarurire amahanga ruzengurutse ryamaze imyaka igera kuri 583, ribamo Abacengeri bagera kuri