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Cotton Gin invented
A cotton gin is a machine that quickly and easily separates cotton fibers from their seeds, allowing for much greater productivity than manual cotton separation. -
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
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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. -
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. -
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. -
Indian Removal Act
The Indian Removal Act was passed by Congress on May 28, 1830, during the presidency of Andrew Jackson. -
The Battle of the Alamo
The Battle of the Alamo was a pivotal event in the Texas Revolution. Following a 13-day siege, Mexican troops under President General Antonio López de Santa Anna launched an assault on the Alamo Mission -
Texas Claims Independence
The Texas Declaration of Independence was the formal declaration of independence of the Republic of Texas from Mexico in the Texas Revolution. It was adopted at the Convention of 1836 at Washington-on-the-Brazos on March 2, 1836 -
Trail of Tears
The Cherokee people called this journey the "Trail of Tears," because of its devastating effects. Couldnt find date only year -
Texas annexed to U.S.
During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date. -
Agreement of 49th Parallel
Britain and the United States agree on the 49th parallel as the main Pacific Northwest boundary in the Treaty of Oregon on June 15, 1846. -
Treaty of Guadalupe Hidalgo
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Mexican-American War
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. -
When California become a state
In 1849, Californians sought statehood and, after heated debate in the U.S. Congress arising out of the slavery issue, California entered the Union as a free, nonslavery state by the Compromise of 1850. -
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, -
Kansas-Nebraska Act
The Kansas-Nebrask Act was an 1854 bill that mandated “popular sovereignty”–allowing settlers of a territory to decide whether slavery would be allowed within a new state’s borders.
