Pre-Columbus
 · To 1491

Spanish Era
 · 1492 - 1550
 · 1551 - 1599
 · 1600 - 1650
 · 1651 - 1699
 · 1700 - 1750
 · 1751 - 1799
 · 1800 - 1820

Mexican Era
 · 1821 - 1847

Navajo Wars
 · 1848 - 1868

Rez Beginning
 · 1869 - 1927

Stock-Reduction
 · 1928 - 1940

Coming Out
 · 1941 - 1969

Self-Determination
 · 1970 - Present