The following chronology traces the territorial evolution of the U.S. State of Montana.
Timeline Historical territorial claims of the United Kingdom in the present State of Montana: Rupert's Land, 1670–1870 Anglo-American Convention of 1818 Historical territorial claims of France in the present State of Montana: Louisiane, 1682–1764 Treaty of Fontainebleau of 1762 Historical territorial claims of Spain in the present State of Montana: Luisiana, 1764–1803 Third Treaty of San Ildefonso of 1800 Historical territorial claims of France in the present State of Montana: Louisiane, 1803 Vente de la Louisiane of 1803 Historical international territory in the present State of Montana: Oregon Country, 1818–1846 Provisional Government of Oregon (extralegal), 1843–1849 Oregon Treaty of 1846 Historical political divisions of the United States in the present State of Montana: Unorganized territory created by the Louisiana Purchase, 1803–1804 District of Louisiana, 1804–1805 Territory of Louisiana, 1805–1812 Territory of Missouri, 1812–1821 Unorganized territory previously the northwestern portion of the Missouri Territory, 1821–1854 Unorganized territory created by the Oregon Treaty, 1846–1848 Territory of Oregon, 1848–1859 Territory of Nebraska, 1854–1867 Territory of Washington, 1853–1889 Territory of Dakota, 1861–1889 Territory of Idaho, 1863–1890 Territory of Montana, 1864-1889 State of Montana since November 8, 1889
See also History of Montana Bibliography of Montana history Historical outline of Montana List of people in Montana history Montana in the American Civil War State of Montana Territory of Montana Timeline of Montana history Timeline of pre-statehood Montana history Timeline of Billings, Montana
References
External links State of Montana website Montana Historical Society Montana History