Mexican-American War

Mexico gains independence from Spain:

Dec 20, 1821

Mexico gains independence from Spain:

President Polk orders General Zachary Taylor to march to the Rio Grande from the Nueces.

Jan 1, 1846

President Polk orders General Zachary Taylor to march to the Rio Grande from the Nueces.

Battle of Palo Alto.

May 8, 1846

Battle of Palo Alto

Congress declares war on Mexico.

May 13, 1846

Congress declares war on Mexico.

Captain John C. Fremont proclaims the independence of California.

Jul 4, 1846

Captain John C. Fremont proclaims the independence of California.

July 14, 1846 The U.S. occupies Camargo, Tamaulipas, Mexico.

Jul 14, 1846

July 14, 1846 The U.S. occupies Camargo, Tamaulipas, Mexico.

Antonio Lopez de Santa Anna returns to Mexico

Aug 16, 1846

•August 16: Antonio Lopez de Santa Anna returns to Mexico

Battles for the City of Mexico.

Sep 13, 1846

Battles for the City of Mexico.

Battle of Monterrey

Sep 20, 1846

Battle of Monterrey

Battle of Natividad November 16

Nov 16, 1846

Battle of Natividad

Scott leaves Washington for Texas

Nov 23, 1846

Scott leaves Washington for Texas

Battle of El Brazito.

Dec 25, 1846

Battle of El Brazito.

First Battle of Mora

Jan 23, 1847

First Battle of Mora

Battle of Buena Vista

Feb 23, 1847

Battle of Buena Vista

Court-martial of members of St. Patrick's Battalion at San Angel

Aug 26, 1847

Court-martial of members of St. Patrick's Battalion at San Angel

Four members of St. Patrick's Battalion hanged at Mixcoac

Sep 11, 1847

Four members of St. Patrick's Battalion hanged at Mixcoac

Fall of Mexico City

Sep 15, 1847

Fall of Mexico City

Mexican Congress ratifies treaty

May 30, 1848

Mexican Congress ratifies treaty

Last US troops depart Mexico from Veracruz

Jul 15, 1848

Last US troops depart Mexico from Veracruz

Capture of Tucson

Dec 16, 1864

Capture of Tucson