Complex sentence: In the year of 1961 The Navajo Tribe established the first Navajo Tribal Museum which was first positioned in a small building on the Window Rock Tribal Fairgrounds which later was moved in 1982 to the back room of The Navajo Arts and Crafts Store.
Split into simpler sentences: In the year of 1961 the Navajo Tribe established the first Navajo Tribal Museum in a small building on the Window Rock Tribal Fairgrounds. It was moved in 1982 to the back room of the Navajo Arts and Crafts Store.