- First humans (13,000 years ago)
- 125 Northwest Indian tribes (Pre-European arrival)
- Juan Pérez and Europeans arrive on West coast (1774)
- Charles William Barkley discovers the Strait of Juan de Fuca (1778)
- Robert Gay discovers the Columbia River (1792)
- Oregon County established, joint control by United States and Britain (1818)
- Spain cedes north of 42nd Parallel to the United States (1819)
- Britain cedes south of 49th Parallel to the United States (1846)
- Whitman massacre (1847)
- Cayuse War (1847-1855)
- Oregon Territory established (1848)
- Seattle founded (1851)
- Washington Territory established (1853)
- Puget Sound War (1855-1856)
- Yakima War (1855-1858)
- Battle of Seattle (1856)
- Fraser Canyon Gold Rush in British Columbia begins (1858)
- Spokane War (1858)
- Oregon becomes 33rd state in the United States (1859)
- Pig War (1859)
- Idaho Territory established east of Snake River and 117th meridian west (1863)
- U.S - Canada border established (1872)
- Tacoma riot of 1885
- Washington becomes 42nd state in the United States (1889)
- Grand Coulee Dam is completed (1941)
- Hanford nuclear plant is opened (1943)
- Fish Wars (1960s - 1970s)
- Boldt Decision reaffirms Native's rights to fish (1974)
- Mount St. Helens eruption (1980)
- WTO protest (1999)
Sources
