The Gadsden Purchase, also known as the Treaty of Mesilla, is a 29,640-square-mile region of present-day southern Arizona and southwestern New Mexico that the United States acquired from Mexico. The f
c. 1831 portrait of James Gadsden by Charles Fraser
U.S. Secretary of State James Buchanan (1791–1868), who later became 15th President of the United States (1857–1861)
Isthmus of Tehuantepec in southern Mexico
The Gadsden Purchase historical marker near Interstate 10
The Treaty of Guadalupe Hidalgo officially ended the Mexican–American War. It was signed on the 2nd of February 1848 in the town of Guadalupe Hidalgo.
Gadsden Purchase
…Jere W. Roberson, "The South and the Pacific Railroad, 1845–1855" (April 1974) The Treaty of Guadalupe Hidalgo (1848) ended the Mexican–American War, but left issues affecting both sides that still needed to be resolved: possession of the Mesilla Valley, protection…
Cover of the exchange copy of the treaty of Guadalupe Hidalgo
First page of the original treaty
President Manuel de la Peña y Peña
E. Gilman, [United States (after the Treaty of Guadalupe Hidalgo)], 1848