Mexican-American War By Fatima.Sotelo Dec 20, 1821 Mexico gains independence from Spain: Mexico gains independence from Spain: Jan 1, 1846 President Polk orders General Zachary Taylor to march to the Rio Grande from the Nueces. President Polk orders General Zachary Taylor to march to the Rio Grande from the Nueces. May 8, 1846 Battle of Palo Alto. Battle of Palo Alto May 13, 1846 Congress declares war on Mexico. Congress declares war on Mexico. Jul 4, 1846 Captain John C. Fremont proclaims the independence of California. Captain John C. Fremont proclaims the independence of California. Jul 14, 1846 July 14, 1846 The U.S. occupies Camargo, Tamaulipas, Mexico. July 14, 1846 The U.S. occupies Camargo, Tamaulipas, Mexico. Aug 16, 1846 Antonio Lopez de Santa Anna returns to Mexico •August 16: Antonio Lopez de Santa Anna returns to Mexico Sep 13, 1846 Battles for the City of Mexico. Battles for the City of Mexico. Sep 20, 1846 Battle of Monterrey Battle of Monterrey Nov 16, 1846 Battle of Natividad November 16 Battle of Natividad Nov 23, 1846 Scott leaves Washington for Texas Scott leaves Washington for Texas Dec 25, 1846 Battle of El Brazito. Battle of El Brazito. Jan 23, 1847 First Battle of Mora First Battle of Mora Feb 23, 1847 Battle of Buena Vista Battle of Buena Vista Aug 26, 1847 Court-martial of members of St. Patrick's Battalion at San Angel Court-martial of members of St. Patrick's Battalion at San Angel Sep 11, 1847 Four members of St. Patrick's Battalion hanged at Mixcoac Four members of St. Patrick's Battalion hanged at Mixcoac Sep 15, 1847 Fall of Mexico City Fall of Mexico City May 30, 1848 Mexican Congress ratifies treaty Mexican Congress ratifies treaty Jul 15, 1848 Last US troops depart Mexico from Veracruz Last US troops depart Mexico from Veracruz Dec 16, 1864 Capture of Tucson Capture of Tucson
