The moment to commemorate the centennial of the Navajo Nation Council slipped by us last January 2022. The Navajo Tribal Business Council first convened on Thursday, in Fort Defiance, on Jan. 26, 1922 …The moment to commemorate the centennial of the Navajo Nation Council slipped by us last January 2022. The Navajo Tribal Business Council first convened on Thursday, in Fort Defiance, on Jan. 26, 1922 …