Event in the Mexican American War By Shemeza Jan 3, 1823 Stephen Austin moves families to Texas Mar 19, 1833 Stephen Austin goes to Mexico Feb 23, 1836 The battle of Alamo This battle ended on March 6th of 1836 Mar 19, 1836 Texas gains its independence Apr 21, 1836 Battle of San Jacinto May 13, 1845 Polk asks Congress to declare war on Mexico Dec 1, 1845 The US Congress gets rid of Article Ten of the Treat of Guadelupe Hidalgo Mar 1, 1846 Zach Taylor sends troop across the Nueces River Jun 14, 1846 The bear Flag Rebulic is declared Aug 1, 1846 Manuel Armijo surrenders New Mexico Mar 1, 1847 Mexico city surrenders May 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 25, 1847 Stephen Kearney accepts California for the United States Nov 14, 1847 Windfield Scott captures Veracruz Dec 4, 1847 The treaty of Guadelupe Hidalgo is written Feb 2, 1848 Treaty of Guadelupe Hidalgo Mar 1, 1848 The treaty of Guadelupe Hidalgo is ratified Mar 20, 1849 Henry David Thoreau writes Civil disobedience We did not find the month or the day