Antonio Lopez de Santa Anna seizes power in Mexico City
Texans rebel against mexico by seizing several garrisons.
Texas declares independence and adopts a republican constitution.
Santa Anna attacks the Alamo in a battle lasting 12 days.
Santa Anna is defeated and Texas gains its independence from Mexico (mostly) at the Battle of San Jacinto.
The election of 1844 was a conflict between the expansionist Jacksonian Democrat James Polk and Whig Henry Clay, who opposed annexation.
Texas Enters the Union as a slave state.
A Mexican patrol kills eleven US soldiers, giving Polk and Congress an excuse to start a war.
Congress vptes overwhelmingly to declares war on Mexico.
Stephen Kearny conquers New Mexico while John Fremont gains control of California, before they join up to get complete control over all of California.
The British and the US compromise to each get half of the Oregon Territory.
Taylor Captures Monterrey
Taylor defeats Santa Anna in a bloody battle at Buena Vista with a significantly smaller number of troops.
After seizing the Mexican port of Veracruz, Scott faced resistance at Chapultepee before taking control of Mexico City.