Celebrating 100 years of government on the Navajo Nation, tribal leaders and community members rode up to the Navajo Nation Council Chambers in Window Rock on horseback to kick off the 25th Navajo Nat …Celebrating 100 years of government on the Navajo Nation, tribal leaders and community members rode up to the Navajo Nation Council Chambers in Window Rock on horseback to kick off the 25th Navajo Nat …