Overview of and topical guide to Washington territorial evolution
An enlargeable map of the United States after the Treaty of Paris in 1789An enlargeable map of the United States after the Anglo-American Convention of 1818An enlargeable map of the United States after the Oregon Treaty of 1846An enlargeable map of the United States after the Washington Organic Act in 1853An enlargeable map of the United States after Washington Statehood in 1889An 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.
This page is based on this Wikipedia article Text is available under the CC BY-SA 4.0 license; additional terms may apply. Images, videos and audio are available under their respective licenses.