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Outline of Washington territorial evolution

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An enlargeable map of the United States after the Treaty of Paris in 1789

An enlargeable map of the United States after the Anglo-American Convention of 1818

An enlargeable map of the United States after the Oregon Treaty of 1846

An enlargeable map of the United States after the Washington Organic Act in 1853

An enlargeable map of the United States after Washington Statehood in 1889

An enlargeable map of the United States as it has been since 1959

The following outline traces the territorial evolution of the U.S. State of Washington.

Outline

Historical international territory in the present State of Washington: Oregon Country, 1818-1846 Anglo-American Convention of 1818 Provisional Government of Oregon (extralegal), 1843-1849 Oregon Treaty of 1846
Historical political divisions of the United States in the present State of Washington: Unorganized territory created by the Oregon Treaty, 1846-1848 Territory of Oregon, 1848-1859 Territory of Washington, 1853-1889 State of Washington since 1889

See also

Idaho Territorial evolution of Idaho

Oregon Territorial evolution of Oregon

External links