Mexican American War By lupe0714 Aug 13, 1821 Stephen Austin moves 300 families to Texas Apr 13, 1834 Stephen Austin goes to Mexico city to press for Texas statehood Mar 6, 1836 The Battle of the Alamo Apr 21, 1836 Battle of San Jacinto Apr 30, 1836 Texas gains its independence Mar 22, 1837 Manuel Armijo surrenders New Mecxico The Revolt of 1837 Nov 5, 1844 James K. Polk is elected president May 7, 1846 Zachary Taylor sends troops across the Nueces River May 13, 1846 The Bear Flag Republic is declared May 13, 1846 Polk asks Congress to declare war on Mexico Jun 18, 1846 Stephen Kearney accepts California for the United States Feb 1, 1847 The Treaty of Guadalupe Hidalgo is written Mar 10, 1847 Winfield Scott captures Veracruz Mar 22, 1847 Trist is sent to Mexico to discuss terms to end war In The Summer of 1847 Sep 13, 1847 Los Ninos Hereos jump to their deaths rather than surrender Sep 15, 1847 Mexico City surrenders Feb 2, 1848 The Treaty of Guadalupe Hidalgo is ratified Aug 12, 1849 Henry David Thoreau writes Civil Disobedience