Outline of Washington territorial evolution

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

• Historical outline of Washington
• History of Washington (state)
• Territorial evolution of the United States

References

External links

• State of Washington website
• Washington Secretary of State History website
• Washington Historical Society
• Washington State History