american mexican war-brendan kelly By MsOlson Period: Jan 1, 1845 to Jan 1, 1848 mexican american war Mar 1, 1845 America annexes texas Mar 4, 1845 Presedent Polk talks of expanding the borders of the United States Mar 31, 1845 The United States ambasitor to mexico requests pasport and returns to mexico Apr 5, 1845 Antonio Lopez de Santa Anna is exiled to cuba Jun 6, 1845 Texas accepts the United States as there annexer Jul 1, 1845 Presedent Polk orders for his generals near Mexico to biuld an army Jul 4, 1845 Mexico still thinks of Texas as part of Mexico Nov 1, 1845 Polk sends John Siddell to mexico Dec 1, 1845 Polk begins to build a case of reasons to invade Mexico Mar 1, 1846 American soldures cross the Mexican border May 7, 1846 polk asks congress to declare war on Mexico May 8, 1846 Battle of Palo Alto causes the Americans to push the Mexicans over the Rio Grande Jul 1, 1846 Anti war sedement in california Aug 1, 1846 Antonio Lopez de Santa Anna retruns from exile to lead Mexico again Oct 1, 1846 American soldures capture Monterray in Mexico Oct 15, 1846 American soldures capture Satillo Dec 1, 1846 Americans defete Mexicans in the battle of san pascale