CE 500s – First pit houses and signs of permanent habitation appear.
Mid-700s – People began grouping houses to form compact villages.
1100 – 1300 – The Classic Pueblo Period saw the construction of extensive complexes of pueblos. Cliff dwellings number over 600 within the park boundaries.
1300 – Ancestral Pueblo people had migrated from Mesa Verde. There are many possible reasons for the migration.
1859 – Great Colorado Goldrush. Professor J.S. Newberry makes the first known mention of Mesa Verde.
1870s - 80s – Several cliff dwellings discovered.
1888 – The Weatherill brothers discover Cliff Palace while tracking livestock.
1889 – Activist Virginia McClurg begins a decadelong fight to designate the National Park.
1976 - Lands are added to the National Park with new wilderness designations.
1978 - Mesa Verde National Park is declared one of eight original World Heritage Sites by the United Nations.
2003/4 Forest fires brought on by drought burn thousands of National Park acres, but leave dwellings undamaged. The process of regrowth is well underway.
2006 – After 100 years, Mersa Verde National Park celebrates the continued preservation and protection of these irreplaceable cultural resources for generations to come.