The following outline traces the territorial evolution of the U.S. State of South Dakota.
Outline
Historical territorial claims of the United Kingdom in the present State of South Dakota: Rupert's Land, 1670–1870 Anglo-American Convention of 1818 Historical territorial claims of France in the present State of South Dakota: Louisiane, 1682–1764 Treaty of Fontainebleau of 1762 Historical territorial claims of Spain in the present State of South Dakota: Luisiana, 1764–1803 Third Treaty of San Ildefonso of 1800 Historical territorial claims of France in the present State of South Dakota: Louisiane, 1803 Vente de la Louisiane of 1803 Historical political divisions of the United States in the present State of South Dakota: 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 formerly the northwestern Missouri Territory, 1821–1854 Treaty of Fort Laramie of 1851 Territory of Michigan east of Missouri River, 1805-(1834–1836)-1837 Territory of Wisconsin east of Missouri River, (1836–1838)-1848 Territory of Iowa east of Missouri River, 1838–1846 Territory of Minnesota east of Missouri River, 1849–1858 Territory of Nebraska west of Missouri River, (1854–1861)-1867 Territory of Dakota, 1861-1889 Land between the 43rd parallel north and Keya Paha River or Niobrara River was transferred to the State of Nebraska, 1882 State of South Dakota, since November 2, 1889