A Chronology of the U.S.-Mexican War
Battles, Skirmishes & Other Important Events

1845-6    1846    1847    1848

1846

• 25 April 1846: Thornton Affair, South Texas
  Official Report
• 3-9 May 1846: Siege of Fort Texas (Fort Brown), South Texas
  Official Report 1 | Official Report 2
• 8 May 1846: Battle of Palo Alto, South Texas
  Picture | Official Report
• May 9, 1846: Battle of Resaca de la Palma, South Texas
  Picture | Official Report
• 13 May 1846: U.S. declares war against Mexico.
• 18 May 1846: U.S. troops occupy Matamoros.
• 7 July 1846: U.S. Naval forces occupy Monterey, California.
• 14 July 1846: U.S. forces occupy Camargo.
• 21 July 1846: General Taylor issues orders for the discharge of 3 and 6 month volunteers.
• 30 July 1846: General Taylor issues orders for movement of troops to Camargo.
• 16 August 1846: Santa Anna returns to Mexico from exile in Cuba.
• 18 August 1846: U.S. forces under General Stephen W. Kearny occupy Santa F?, New Mexico.
• 19 August 1846: First U.S. troops depart Camargo for Monterey, Mexico.
• 20-24 Sept. 1846: Battle of Monterey, Northern Mexico
  Picture | Official Report 1 | Official Report 2 | Official Report 3.
• 7 Oct. 7 1846: Battle of Dominguez Rancho, Southern California.
• 14 Nov. 1846: U.S. Navy seizes Tampico.
• 16 Nov. 1846: U.S. forces occupy Saltillo. Battle of Natividad, Northern California.
• 6 Dec. 1846: Battle of San Pasqual, California.
• 25 Dec. 1846: Battle of El Brazito, New Mexico.