200 CE  Ancestral Puebloan (Anasazi) Spread Along the San Juan River
1100 CE  Ute, Shoshone, Navajo, Paiute, Goshute
1765  The First Europeans Arrive in Utah
1820-1840  The Fur Trapping Era
1842  John Fremont Begins Five Trips to the West
400 CE  Fremont People
1620 CE  The Navajo move into San Juan River region
1821  Spanish Rule of the Region Ends; Mexico claims Utah
1830-1848  The Old Spanish Trail is Used for Trade