New Mexico Territory

The Territory of New Mexico was an organized incorporated territory of the United States that existed (with varying boundaries) from September 9, 1850, until January 6, 1912, when the remaining extent of the territory was admitted to the Union as the State of New Mexico, making it the longest-lived organized incorporated territory of the United States, lasting approximately 62 years.

Territory of New Mexico
Organized incorporated territory of the United States
←   ← 1850–1912 →   →   →   →
Flag Coat of arms
A map of the later Federal Arizona and New Mexico Territories, split from the original New Mexico Territory of 1851, showing existing counties.
Capital city		Santa Fe
Government		Organized incorporated territory
Governor
-	1851–1852	James S. Calhoun
-	1910–1912	William J. Mills
Legislature		New Mexico Territorial Legislature
History
-	Treaty of Guadalupe Hidalgo	May 30 1848
-	Organic Act (part of Compromise of 1850)	September 9 1850
-	Gadsden Purchase	June 24 1853
-	Colorado Territory established	February 28 1861
-	Arizona Territory established	February 24 1863
-	Statehood	January 6 1912

New Mexico Territory Media

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  Proposed boundaries for the earlier federal State of New Mexico, 1850

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  The Gadsden Purchase, 1853

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  Wpdms arizona territory 1860 idx

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  Wpdms arizona new mexico territories 1863 idx

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  Wpdms new mexico territory 1866

References

• David L. Caffey, Chasing the Santa Fe Ring: Power and Privilege in Territorial New Mexico. Albuquerque, NM: University of New Mexico Press, 2014.