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Missouri Compromise
The Missouri Compromise was a United States federal statute devised by Henry Clay. It regulated slavery in the country's western territories by prohibiting the practice in the former Louisiana Territory north of the parallel 36°30′ north, except within the boundaries of the proposed state of Missouri. -
Wilmot Proviso
The Wilmot Proviso was designed to eliminate slavery within the land acquired as a result of the Mexican War (1846-48). Soon after the war began, President James K. Polk sought the appropriation of $2 million as part of a bill to negotiate the terms of a treaty. -
Mexican War
The Mexican–American War, also known as the Mexican War, the U.S.–Mexican War or the Invasion of Mexico, was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848. -
California Gold Rush
The California Gold Rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sumter's Mill in Colo ma, California.[ -
Compromise of 1850
The Compromise of 1850 was a package of five separate bills passed by the United States Congress in September 1850, which defused a four-year political confrontation between slave and free states regarding the status of territories acquired during the Mexican–American War. -
Fugitive Slave Law
The Fugitive Slave Law or Fugitive Slave Act was passed by the United States Congress on September 18, 1850, as part of the Compromise of 1850 between Southern slave-holding interests and Northern Free-Soilers. -
Uncle Tom’s Cabin is published
Uncle Tom's Cabin; or, Life Among the Lowly, is an anti-slavery novel by American author Harriet Beecher Stowe. Published in 1852, the novel "helped lay the groundwork for the Civil War", according to Will Kaufman. -
Republican Party Forms
By February 1854, anti-slavery Whigs had begun meeting in the upper midwestern states to discuss the formation of a new party. One such meeting, in Wisconsin on March 20, 1854, is generally remembered as the founding meeting of the Republican Party. -
Kansas-Nebraska Act
The Kansas-Nebraska Act was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders. The Act served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´. -
Charles Sumner caned in the Senate
On May 22, 1856, in the United States Congress, Representative Preston Brooks (D-SC) attacked Senator Charles Sumner (R-MA), an abolitionist, with a walking cane in retaliation for a speech given by Sumner two days earlier in which he fiercely attacked slaveholders including a relative of Brooks. -
Dred Scott vs. Sandford
In Dred Scott v. Sandford (argued 1856 -- decided 1857), the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories. -
John Brown’s Raid at Harper’s Ferry
John Brown's raid on Harper's Ferry was an effort by white abolitionist John Brown to initiate an armed slave revolt in 1859 by taking over a United States arsenal at Harper's Ferry, Virginia. -
Abraham Lincoln elected President
On November 6, 1860, Lincoln was elected the 16th president of the United States, beating Democrat Stephen A. Douglas, John C. Breckinridge of the Southern Democrats, and John Bell of the new Constitutional Union Party. He was the first president from the Republican Party. -
Southern states begin to secede
South Carolina was the first to leave the Union and form a new nation called the Confederate States of America. Four months later, six other states seceded. They were Georgia, Florida, Alabama, Mississippi, Texas and Louisiana. Later Virginia, Arkansas, North Carolina, and Tennessee joined them. -
Battle at Fort Sumter
The Battle of Fort Sumter was the bombardment of U.S. Fort Sumter, near Charleston, South Carolina, by the Confederates, and the return gunfire and subsequent surrender by the U.S. Army that started the American Civil War. -
“Bleeding Kansas”
Bleeding Kansas, Bloody Kansas or the Border War was a series of violent political confrontations in the United States involving anti-slavery "Free-Staters" and pro-slavery "Border Ruffian", or "southern yankees" elements in Kansas between 1854 and 1861, including "Bleeding Congress".
