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
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
August 8–14, 1846
September 21–24, 1846
December 6–7, 1846
December 25, 1846
January 8–9, 1847
Battle of Río San Gabriel
American victory
Battle of Río San Gabriel
Stephen W. Kearny, Robert F. Stockton, José María Flores
January 13, 1847
Treaty of Cahuenga
Cahuenga
February 22–23, 1847
Battle of Buena Vista
Inconclusive
Battle of Buena Vista
Zachary Taylor, Antonio López de Santa Anna, Manuel María Lombardini
February 28, 1847
Battle of the Sacramento River
United States victory
Battle of the Sacramento River
Alexander William Doniphan
March 9–29, 1847
April 18, 1847
Battle of Cerro Gordo
American victory
Battle of Cerro Gordo
Winfield Scott, Antonio López de Santa Anna, David Emanuel Twiggs
July 9, 1847
Taos Revolt
New Mexico
August 19–20, 1847
Battle of Contreras
American victory
Battle of Contreras
Winfield Scott, Gabriel Valencia, Agustín Jerónimo de Iturbide y Huarte
August 20, 1847
Battle of Churubusco
American victory
Battle of Churubusco
Winfield Scott, Antonio López de Santa Anna, Pedro María de Anaya
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
Battle of Chapultepec
American victory
Battle of Chapultepec
Winfield Scott, Antonio López de Santa Anna, Nicolás Bravo
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
Winfield Scott
Commanding General, Led the campaign that took Mexico City
Zachary Taylor
military commander, Won at Palo Alto, Monterrey and Buena Vista
James K. Polk
belligerent leader
William L. Marcy
belligerent leader
Sterling Price
belligerent leader
William J. Hardee
belligerent leader
George M. Dallas
belligerent leader
John Y. Mason
belligerent leader
John E. Wool
military commander
Robert F. Stockton
military commander
Earl Van Dorn
military commander
Jacob Brown (Texas soldier)
military commander
Stephen W. Kearny
military commander
Archibald H. Gillespie
military commander
Alexander William Doniphan
military commander
David Conner
military commander
Matthew C. Perry
military commander
David Emanuel Twiggs
military commander
William S. Harney
military commander
William J. Worth
military commander
Thomas Childs
military commander
Joseph Lane
military commander
John C. Frémont
military commander
Mexico 16
Antonio López de Santa Anna
President of Mexico, Commanded Mexican forces at Buena Vista and in the defense of Mexico City
José Joaquín de Herrera
belligerent leader
Nicolás Bravo
belligerent leader
Pedro María de Anaya
belligerent leader
Mariano Arista
belligerent leader
Mariano Paredes
belligerent leader
Manuel de la Peña y Peña
belligerent leader
Manuel María Lombardini
belligerent leader
José Mariano Salas
belligerent leader
Juan Álvarez
belligerent leader
Pedro de Ampudia
military commander
José María Flores
military commander
Gabriel Valencia
military commander
Agustín Jerónimo de Iturbide y Huarte
military commander
Antonio León
military commander
José Castro
military commander