Territorial evolution of New Mexico explained

See also: Territorial evolution of the United States. 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.__TOC__

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^[1]
  - Gadsden Purchase of 1853
  - American Civil War, 1861–1865
    - Arizona Territory (CSA), 1861–1865
- State of New Mexico since 1912^[2] ^[3]

External links

State of New Mexico website
- New Mexico State Historian
- Historical Society of New Mexico

Notes and References

Web site: An Act Proposing to the State of Texas the Establishment of her Northern and Western Boundaries, the Relinquishment by the said State of all Territory claimed by her exterior to said Boundaries, and of all her Claims upon the United States, and to establish a territorial Government for New Mexico. Thirty-first United States Congress. 31st United States Congress. September 9, 1850. October 7, 2020.
Web site: An Act To enable the people of New Mexico to form a constitution and state government and be admitted into the Union on an equal footing with the original States; and to enable the people of Arizona to form a constitution and state government and be admitted into the Union on an equal footing with the original States. Sixty-first United States Congress. Library of Congress. 61st United States Congress. June 20, 1910. October 7, 2020.
Web site: Proclamation 1175—Admitting New Mexico to the Union. William Howard Taft. The American Presidency Project. January 6, 1912. October 7, 2020.