Evan Woods' timeline By MsOlson Period: Jan 1, 1845 to Jan 1, 1849 Mexican American War Mar 1, 1845 Texas Admitted to the Union President John Tyler signs congressional resolution to annex Texas Nov 1, 1845 US Tried to Buy Land (Slidell and Polk) Polk sends Slidell to Mexico to buy New Mexico and California but Mexican public finds out and puts pressure on president Herrera who decides not to meet with Slidell. Mar 1, 1846 US Troops Stationed at Disputed Border General Taylor's army marches towards the Rio Grande into disputed territory. May 1, 1846 US Declares War on Mexico President Polk asks Congress to declare war, and $10 million and 50,000 volunteers are dedicated to the war effort. Mar 29, 1847 US Victory at Veracruz General Winfield Scott lands at Veracruz and begins a 12 day siege and bombards the city to eventually occupy it and win the battle. Sep 14, 1847 Mexico City Surrender General Scott moved in seemingly without opposition until a battle at Punon, and he occupied the palace on 25 July 1847. The city finally surrendered on 14 September 1847. May 25, 1848 Treaty of Guadalupe Hidalgo Ratified by both sides About two months after the treaty is ratified by the US Senate, it is ratified by the Mexican Congress.