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Timeline
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Cotton Gin invented
In 1794, U.S.-born inventor Eli Whitney (1765-1825) patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber. By the mid-19th century, cotton had become America’s leading export. Despite its success, the gin made little money for Whitney due to patent-infringement issues. -
XYZ Affair
The XYZ Affair was a political and diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving a confrontation between the United States and Republican France that led to an undeclared war called the Quasi-War. -
Louisiana Purchase
With the Louisiana Purchase in 1803, the United States purchased approximately 828,000,000 square miles of territory from France, thereby doubling the size of the young republic. What was known as Louisiana Territory stretched from the Mississippi River in the east to the Rocky Mountains in the west and from the Gulf of Mexico in the south to the Canadian border in the north. -
Adams-Onis Treaty
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Missouri Compromise
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Monroe Doctrine
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Indian Removal Act/Trail of Tears
The Indian Removal Act was passed by Congress on May 28, 1830, during the presidency of Andrew Jackson. The law authorized the president to negotiate with southern Indian tribes for their removal to federal territory west of the Mississippi River in exchange for their ancestral homelands. -
The Battle of the Alamo
In December 1835, during Texas’ war for independence from Mexico, a group of Texan volunteer soldiers occupied the Alamo, a former Franciscan mission located near the present-day city of San Antonio. On February 23, 1836, a Mexican force numbering in the thousands and led by General Antonio Lopez de Santa Anna began a siege of the fort. Though vastly outnumbered, the Alamo’s 200 defenders–commanded by James Bowie and William Travis and including the famed frontiersman Davy Crockett–held out cour -
Texas Declaration of Independence
On March 2, 1836, Texas formally declared its independence from Mexico. The Texas Declaration of Independence was signed at Washington-on-the-Brazos, now commonly referred to as the “birthplace of Texas.” Similar to the United States Declaration of Independence, this document focused on the rights of citizens to “life” and “liberty” but with an emphasis on the “property of the citizen.” -
Trail of tears
At the beginning of the 1830s, nearly 125,000 Native Americans lived on millions of acres of land in Georgia, Tennessee, Alabama, North Carolina and Florida–land their ancestors had occupied and cultivated for generations. By the end of the decade, very few natives remained anywhere in the southeastern United States. Working on behalf of white settlers who wanted to grow cotton on the Indians’ land, the federal government forced them to leave. -
Texas annexed to U.S.
The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848. During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date. -
Mexican-american war
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Agreement of 49th Parallel
On June 15, 1846, Britain and the United States sign the Treaty of Oregon establishing the 49th parallel as the primary international boundary in the Pacific Northwest. Since 1818, the entire region, including what is now Washington, Oregon, and Idaho, and large portions of British Columbia, has been under joint occupancy, in which citizens of both countries travel and trade freely. -
Treaty of Guadalupe Hidalgo
The Treaty of Guadalupe Hidalgo, signed on February 2, 1848, ended the Mexican-American War in favor of the United States. The war had begun almost two years earlier, in May 1846, over a territorial dispute involving Texas. The treaty added an additional 525,000 square miles to United States territory, including the including the land that makes up all or parts of present-day Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming. Mexico also gave up all claims to Texas and recogniz -
California becomes a state
Wild celebrations erupted in Washington DC on Saturday, September 7th 1850, when the Bill which made California the thirty-first state of the United States was passed by the House of Representatives. President Millard Fillmore would sign it into law on Monday. -
Gadsden Purchase
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Kanas Nebraska act
