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Cotton Gin invented
Eli Whitney's patent Eli Whitney's original cotton gin patent, dated March 14, 1794. The modern mechanical cotton gin was invented in the United States of America in 1793 by Eli Whitney (1765–1825). -
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. -
The Missouri Compromise
The Missouri Compromise was an effort by Congress to defuse the sectional and political rivalries triggered by the request of Missouri late in 1819 for admission as a state in which slavery would be permitted. At the time, the United States contained twenty-two states, evenly divided between slave and free. -
Louisiana Purchase
It was a land deal between the United States and France, in which the U.S. -
Adams-Onis Treaty
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain. -
Monroe Doctrine
The Monroe Doctrine was a U.S. foreign policy regarding domination of the American continent in 1823. It stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression, requiring U.S. intervention. -
Indian Removal Act/Trail of Tears
The Indian Removal Act was signed into law by President Andrew Jackson on May 28, 1830, authorizing the president to grant unsettled lands west of the Mississippi in exchange for Indian lands within existing state borders. A few tribes went peacefully, but many resisted the relocation policy. -
The Battle of the Alamo
It started February 23, 1836 and ended March 6, 1836. Following a 13-day siege, Mexican troops under President General Antonio López de Santa Anna launched an assault on the Alamo Mission near San Antonio de Béxar, killing all of the Texian defenders. -
Texas Claims Independence
Texas Independence Day is the celebration of the adoption of the Texas Declaration of Independence -
Trail Of Tears
In 1838 and 1839, as part of Andrew Jackson's Indian removal policy, the Cherokee nation was forced to give up its lands east of the Mississippi River and to migrate to an area in present-day Oklahoma. -
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. Both Congress and the convention voted for annexation. A state constitution, drawn up by the convention, was ratified by popular vote in October 1845 and accepted by the United States Congress on December 29, 1845, the date of Texas's legal entry into the Union. -
Mexican-American War
It started April 25, 1846 – February 2, 1848
A war between the U.S. and Mexico spanned the period from spring 1846 to fall 1847. The war was initiated by Mexico and resulted in Mexico's defeat and the loss of approximately half of its national territory in the north. -
Agreement of 49th Parallel
The Oregon Treaty set the U.S. and British North American border at the 49th parallel with the exception of Vancouver Island, which was retained in its entirety by the British. -
Treaty of Guadalupe Hidalgo
Was officially entitled the Treaty of Peace, Friendship, Limits and Settlement between the United States of America and the Mexican Republic, is the peace treaty signed on February 2, 1848 -
California becomes a state
Statehood granted -
Gadsden Purchase
The Gadsden Purchase is a 29,640-square-mile region of present-day southern Arizona and southwestern New Mexico that was purchased by the United States in a treaty signed on December 30, 1853 by James Gadsden -
Kansas-Nebraska Act
The Kansas–Nebraska Act of 1854 (10 Stat. 277) created the territories of Kansas and Nebraska by Democratic Senator Stephen A. Douglas of Illinois. The Kansas-Nebraska Act passed on May 30, 1854.
