An enlargeable map of the United States after the
Constitution of the United States was ratified on March 4, 1789.An enlargeable map of the United States after the
Treaty of 1818 took effect on January 30, 1819.An enlargeable map of the United States after the
Adams–Onís Treaty took effect on February 22, 1821.An enlargeable map of the United States after the
Oregon Treaty took effect July 17, 1846An enlargeable map of the United States after the creation of the
Territory of Oregon on August 14, 1848.An enlargeable map of the United States after the creation of the
Territory of Washington on March 2, 1853.An enlargeable map of the United States after the admission of
Oregon to the
Union on February 14, 1859.An enlargeable map of the United States after the creation of the
Territory of Idaho on March 3, 1863.An enlargeable map of the United States after the creation of the
Territory of Montana on May 26, 1864.An enlargeable map of the United States after the creation of the
Territory of Wyoming on July 25, 1868.An enlargeable map of the United States after the admission of
Idaho to the
Union on July 3 1890.An enlargeable map of the United States as it has been since
Hawaiʻi was admitted to the
Union on August 21, 1959.
The following chronology traces the territorial evolution of the
U.S.State of Idaho.
An enlargeable map of the United States after the
Constitution of the United States was ratified on March 4, 1789.An enlargeable map of the United States after the
Treaty of 1818 took effect on January 30, 1819.An enlargeable map of the United States after the
Adams–Onís Treaty took effect on February 22, 1821.An enlargeable map of the United States after the
Oregon Treaty took effect July 17, 1846An enlargeable map of the United States after the creation of the
Territory of Oregon on August 14, 1848.An enlargeable map of the United States after the creation of the
Territory of Washington on March 2, 1853.An enlargeable map of the United States after the admission of
Oregon to the
Union on February 14, 1859.An enlargeable map of the United States after the creation of the
Territory of Idaho on March 3, 1863.An enlargeable map of the United States after the creation of the
Territory of Montana on May 26, 1864.An enlargeable map of the United States after the creation of the
Territory of Wyoming on July 25, 1868.An enlargeable map of the United States after the admission of
Idaho to the
Union on July 3 1890.An enlargeable map of the United States as it has been since
Hawaiʻi was admitted to the
Union on August 21, 1959.
The following chronology traces the territorial evolution of the
U.S.State of Idaho.