event in the mexican american war By keith80220 Period: Jan 1, 1820 to Dec 31, 1849 events in the mexican american war Jun 10, 1821 stephen austin moves 300 families to texas Jul 18, 1833 stephen austin goes to mexico city to press for texas statehood Oct 2, 1835 texas gains its independence Feb 23, 1836 the battle of the alamo Apr 21, 1836 battle of san jacinto Nov 5, 1844 james k. polk is elected president Jul 4, 1845 Zachary Taylor sends troops across the Nueces River May 11, 1846 polk asks congress to declare war on mexico Jun 14, 1846 the bear flag republic Mar 1, 1847 Trist is sent to mexico to discuss terms to end the war Sep 13, 1847 Los Ninos Heroes jump to their deaths rather than surrender Sep 14, 1847 winfield Scott captures veracruz Sep 25, 1847 stephen kearney accepts california for the U.S Feb 2, 1848 mexico city surrenders Feb 2, 1848 The Treaty of Guadalupe Hidalgo is ratified Feb 2, 1850 The U.S congress gets rid of article ten of the Treat of Guadalupe Hidalgo Aug 28, 1853 Manuel Armijo surrenders New Mexico