Outline of Wyoming territorial evolution

The following outline traces the territorial evolution of the U.S. State of Wyoming.

Outline

 * Historical territorial claims of Spain in the present State of Wyoming:
 * Nueva Vizcaya, 1562–1821
 * Santa Fé de Nuevo Méjico, 1598–1821
 * Gran Cuenca, 1776–1821
 * Treaty of Córdoba of 1821
 * Historical territorial claims of France in the present State of Wyoming:
 * Louisiane, 1682–1764
 * Treaty of Fontainebleau of 1762
 * Historical territorial claims of Spain in the present State of Wyoming:
 * Luisiana, 1764–1803
 * Third Treaty of San Ildefonso of 1800
 * Historical territorial claims of France in the present State of Wyoming:
 * Louisiane, 1803
 * Vente de la Louisiane of 1803
 * Historical international territory in the present State of Wyoming:
 * Oregon Country, 1818–1846
 * Provisional Government of Oregon (extralegal), 1843–1849
 * Oregon Treaty of 1846
 * Historical territorial claims of Mexico in the present State of Wyoming:
 * Santa Fé de Nuevo México, 1821–1848
 * Gran Cuenca, 1821–1848
 * Treaty of Guadalupe Hidalgo of 1848
 * Historical territorial claims of the Republic of Texas in the present State of Wyoming:
 * Disputed strip north from the headwaters of the Arkansas River and the Rio Grande, 1836–1845
 * Texas Annexation of 1845
 * Historical political divisions of the United States in the present State of Wyoming:
 * Unorganized territory created by the Louisiana Purchase, 1803–1804
 * District of Louisiana, 1804–1805
 * Territory of Louisiana, 1805–1812
 * Territory of Missouri, 1812–1821
 * Adams-Onís Treaty of 1819
 * Unorganized territory previously the western portion of the Missouri Territory, 1821–1854
 * Disputed territory created by the Texas Annexation, 1845–1850
 * Compromise of 1850
 * Unorganized territory created by the Oregon Treaty, 1846–1848
 * Unorganized territory created by the Treaty of Guadalupe Hidalgo, 1848–1850
 * Territory of Oregon, 1848–1859
 * State of Deseret (extralegal), 1849–1850
 * Territory of Utah, 1850–1896
 * Territory of Nebraska, 1854–1867
 * Territory of Washington, 1853–1889
 * Territory of Jefferson (extralegal), 1859–1861
 * Territory of Dakota, 1861–1889
 * Territory of Idaho, 1863–1890
 * Territory of Wyoming, 1868-1890
 * State of Wyoming since 1890