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Louisiana Purchase
The U.S. buys the Louisiana Territory from France, doubling the size of the U.S. -
Lewis and Clark Expedition
Meriwether Lewis and William Clark explore the western U.S. territories. -
War of 1812
The U.S. fights Britain; the war solidifies American Independence and nationalism -
Mexican Independence
Mexico gains independence from Spain, and Texas becomes part of Mexico -
Battle of the Alamo
Mexican forces defeat Texas defenders in San Antonio -
Texas Revolution
A rebellion of colonists from the United States and Tejanos (Hispanic Texans) against the centralist government of Mexico in the Mexican state of Coahuila y Tejas. -
Texas Annexation
Texas joins the United States as the 28th state -
Seneca Falls Convention
First women's rights convention in the U.S., marking the start of the women's suffrage movement -
Dred Scott Decision
U.S. Supreme Court rules that African Americans are not U.S. citizens, intensifying tensions over slavery. -
American Civil War & Emancipation Proclamation
Conflict between the North and the South over slavery and states' rights; ends with Union victory and abolition of slavery -
Texas adopts a new state constitution
This constitution, with modifications, remains in effect today -
Haymarket Riot
Labor protest in Chicago that turns violent, impacting the labor movement -
Panic of 1893
Economic depression in the U.S., leading to widespread unemployment and hardship -
Spanish American War
U.S. victory leads to acquisition of territories like Puerto Rico, Guam, and the Philippines.