Today in History: Treaty of Guadalupe Hidalgo

(Map of the area used for the negotiations.)
Today in History–February 2–the Library of Congress features the Treaty of Guadalupe Hidalgo, signed on this day in 1848. The treaty ended the United States’ war with Mexico and extended the U.S. western boundary to the Pacific ocean. Learn more by visiting the Today in History section, then click the links below to discover more about this war between the U.S. and its southern neighbor. Check out the treaties section of Congress.gov to access modern-day treaties between the United Stated and Mexico and other countries.

Boundary between the United States & Mexico agreed upon by the Joint Commission under the Treaty of Guadalupe Hidalgo

The Treaty of Guadalupe Hidalgo 1848

Treaty of Guadalupe Hidalgo historical newspaper coverage 1848-1849

Treaty of Guadalupe Hidalgo historical newspaper coverage 1850-1859

The Treaty of Guadalupe-Hidalgo (book published 1905)

President Polk’s plan for for the land acquired through the Treaty of Guadalupe Hidalgo (map) U.S. House History, Art & Archives

Mexican-American War primary sources