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The following are known Battles of the Mexican-American War. This list includes all major engagements and most reported skirmishes.The list includes all battles and skirmishes taking place during the Mexican-American War; this includes two major engagements, the Battle of Palo Alto, and the Battle of Resaca de la Palma, which took place prior to the official start of hostilities between the two powers.
1 Battles of the Mexican-American War, 1846-1848
Key: (A) - American Victory; (M) - Mexican Victory; (I) - Inconclusive.
Important Note: It is a common misconception to confuse " Monterrey, Nuevo León" with " Monterey, California". These are, in fact, two very different battles.
2 Battles of the Mexican-American War, 1846-1848
Key: (A) - American Victory; (M) - Mexican Victory; (I) - Inconclusive.
1846
- September
- 21-23rd: Battle of MonterreyThe Battle of Monterrey ( September 21- September 23, 1846) was an engagement in the Mexican-American War in which General Pedro de Ampudia and the Mexican Army of the North managed to fight US troops to a standstill at the important fortress town of Mont - Pedro de AmpudiaPedro de Ampudia ( 1803- 1868) was born in Cuba and served Mexico as an army officer for most of his life. Ampudia began his career in the Spanish army, and emigrated to Mexico following the Mexican War of Independence. In 1836, Ampudia served with the Me fights Zachary Taylor to a draw (I)
- October
- 7th: Battle of Dominguez Rancho - Californeros clash with John C. FrémontJohn Charles Fremont ( January 21, 1813- July 13, 1890), birth name John Charles Fremon [Harvey, p. 192], was an American military officer, explorer, and the first candidate of the United States Republican Party for the office of President of the United S (M)
- December
- 6th: Battle of San Pascual - Californeros and Presidial Lancers defeat Stephen Watts Kearny. (M)
- 25th: Battle of El Brazito - U.S. forces attack El Brazito, New Mexico (A)
1847
- January
- 2nd: Battle of Santa Clara - Clash in California. (A)
- 8th: Battle of Rio San Gabriel - Part of a series of battles for control of Los Angeles (I)
- 9th: Battle of La Mesa - Yet another battle for Los Angeles (I)
- 24th: Battle of Cañada - U.S., Mexican forces clash in New Mexico (A)
- 24th: Battle of Mora - U.S., Mexican forces clash in New Mexico (A)
- March
- 9th-29th: Battle of Veracruz - Beginning with Marine landings, U.S. forces besiege and gradually encircle Mexican Marines and Coast Guard in vicious twenty-day siege (A)
- April
- 18th: Battle of Cerro Gordo - The " Thermopylae of the West" (A)
- August
- 17th: Battle of Contreras - Santa Anna fails to support Mexican line at a critical moment; turns victory into rout. (A)
- 18th: Battle of Churubusco - San Patricios and regular Mexican troops hold a fortified convent against Winfield Scott; San Patricios decimated. (A)
- September - Throughout the month, reports of guerrilla attacks on U.S. army hospitals, supply columns, and camps reach epidemic proportions
- 8th: Battle of Molino del Rey Americans lose nearly 800 men in an attempt to take a suspected cannon foundry. "They fell in platoons and companies" (M)
- 13th: Battle of Chapultepec Scott assaults Chapultepec Castle. Los Niños Héroes pass into legend (A)
- 13th-14th: Battle for Mexico City - Savage fighting for Mexico City (A)
- 14th: Siege of Puebla begins (A)
- 15th: Fall of Mexico City (A)
- October
- 9th: Skirmish at Huamantla (I)
- 19th: Skirmish at Atlixco (I)
- 12th: Puebla capitulates to U.S. forces (A)
1848
- January-August
- Mexican Guerrillas terrorize U.S. Army of Occupation. Formal fighting, however, has ceased by the end of January.
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