The area currently occupied by the U.S. State of New Mexico has undergone numerous changes in occupancy and territorial claims and designations. This geographic chronology traces the territorial evolution of New Mexico.
Timeline
Historical territorial claims of Spain in the present State of New Mexico: Nueva Vizcaya, 1562–1821 Santa Fe de Nuevo México, 1598–1821 Treaty of Córdoba of 1821 Historical territorial claims of France in the present State of New Mexico: Louisiane, 1682–1764 Treaty of Fontainebleau of 1762 Historical territorial claims of Spain in the present State of New Mexico: Luisiana, 1764–1803 Third Treaty of San Ildefonso of 1800 Historical territorial claims of France in the present State of New Mexico: Louisiane, 1803 Vente de la Louisiane of 1803 Historical territorial claims of Mexico in the present State of New Mexico: Santa Fé de Nuevo México, 1821–1848 Treaty of Guadalupe Hidalgo of 1848 Historical territorial claims of the Republic of Texas in the present State of New Mexico: Disputed territory east of the Rio Grande, 1836–1845 Texas Annexation of 1845 Historical political divisions of the United States in the present State of New Mexico: Unorganized territory created by the Louisiana Purchase, 1803–1804 District of Louisiana, 1804–1805 Territory of Louisiana, 1805–1812 Territory of Missouri, 1812–1821 Territory of Arkansaw, 1819–1836 Adams–Onís Treaty of 1819 Disputed territory created by the Texas Annexation, 1845–1850 Compromise of 1850 Mexican–American War, 1846–1848 U.S. Military Province of New Mexico, 1846 U.S. Provisional Government of New Mexico 1846–1850 Unorganized territory created by the Treaty of Guadalupe Hidalgo, 1848–1850 State of Deseret (extralegal), 1849–1850 Proposed state of New Mexico, 1850 Territory of New Mexico, 1850–1912 Gadsden Purchase of 1853 American Civil War, 1861–1865 Arizona Territory (CSA), 1861–1865 State of New Mexico since 1912

Maps
See also
History of New Mexico
Timeline of New Mexico history
Indigenous peoples of the North American Southwest
Territorial evolution of the United States
Santa Fe de Nuevo México
La Louisiane
La Luisiana
Louisiana Purchase
District of Louisiana
Louisiana Territory
Arkansaw Territory
Missouri Territory
Mexican Empire
Republic of Texas
U.S. provisional government of New Mexico
State of Deseret
New Mexico Territory
Confederate Territory of Arizona
State of New Mexico
References
External links
State of New Mexico website
New Mexico State Historian
Historical Society of New Mexico
New Mexico
New Mexico
New Mexico
Pre-statehood history of New Mexico
Geography of New Mexico






