Mexican-American War

April 25, 1846 – February 2, 1848

Result American victory

The Mexican-American War (25 April 1846 to 2 February 1848) followed the 1845 U.S. annexation of Texas, which Mexico still claimed. U.S. forces invaded Mexico and occupied its capital. The war ended with the Treaty of Guadalupe Hidalgo, under which Mexico ceded roughly half its territory, including California and the Southwest, to the United States.

Battles and events 23

April 25, 1846
May 3–9, 1846
May 8, 1846
Battle of Palo Alto American victory Battle of Palo Alto Zachary Taylor, Mariano Arista
May 9, 1846
Battle of Resaca de la Palma American victory Battle of Resaca de la Palma Zachary Taylor, Mariano Arista
June 15, 1846 – January 13, 1847
Conquest of California American victory; Treaty of Cahuenga Alta California Earl Van Dorn, Stephen W. Kearny, Archibald H. Gillespie
July 7, 1846
Battle of Monterey American victory Monterey Earl Van Dorn
August 8–14, 1846
Capture of Santa Fe American victory Santa Fe Stephen W. Kearny
September 21–24, 1846
Battle of Monterrey American victory Battle of Monterrey Zachary Taylor, Pedro de Ampudia
December 6–7, 1846
December 25, 1846
Battle of El Brazito American victory Battle of El Brazito Alexander William Doniphan
January 8–9, 1847
January 13, 1847
February 22–23, 1847
February 28, 1847
Battle of the Sacramento River United States victory Battle of the Sacramento River Alexander William Doniphan
March 9–29, 1847
Siege of Veracruz American victory Siege of Veracruz Winfield Scott, David Conner, Matthew C. Perry
April 18, 1847
July 9, 1847
Taos Revolt New Mexico
August 19–20, 1847
August 20, 1847
September 8, 1847
Battle of Molino del Rey American victory Battle of Molino del Rey Winfield Scott, William J. Worth, Antonio León
September 8–15, 1847
September 12–13, 1847
September 14 – October 12, 1847
Siege of Puebla (1847) United States victory Siege of Puebla (1847) Antonio López de Santa Anna, Thomas Childs, Joseph Lane

Key commanders

United States 23

Mexico 16