page_title: Territorial evolution of South Dakota
section_title: Outline
hierarchical_section_title: Territorial evolution of South Dakota / Outline
caption_attribution_description: English: Map of the states and territories of the United States as it was from October 1818 to December 1818. On October 20 1818, the Treaty of 1818 settled the northern border with the holdings of the United Kingdom, and granted joint custody of the Oregon Country to the United Kingdom and United States. On December 3 1818, the southern portion of Illinois Territory was admitted as the state of Illinois, and the rest was joined to Michigan Territory.
context_page_description: The following outline traces the territorial evolution of the U.S. State of South Dakota.
context_section_description: 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
caption: An enlargeable map of the United States after the Anglo-American Convention of 1818
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