Category: Indian Affairs

June 18, 1846

The Senate ratified the Oregon country treaty by a vote of 41-14

1848

Oregon Territory

1853

Washington Territory

1855

Treaty of 1855

territorial governor Isaac I. Stevens met with representatives

• Umatilla
• Yakama
• Nez Perce
• Cayuse
• Palouse.

1859

treaty is ratified by the US Senate

1877

the Nez Perce Flight of 1877