1850 - The Compromise of 1850 is passed. California enters the Union as a free state and the Fugitive Slave Law is strengthened.
1854 - The Kansas-Nebraska Act introduced the idea of “popular sovereignty” as the method for territories to determine whether to be free or slave.
1854 - The Republican Party is formed to oppose the extension of slavery.
1857 - The Supreme Court case of Dred Scott v. Sanford ruled that Congress cannot limit slaves, that slaves are property and not citizens, and that the Missouri Compromise was unconstitutional.
1860 - Abraham Lincoln, a Republican, was elected as the 16th President of the United States. His First Inaugural Address reassured the South, but stated he would act to preserve the Union, by force if needed.
1860 - Angered over the election of Abraham Lincoln, South Carolina seceded from the United States and, along with five other states, formed the Confederate States of America.
1861 - Jefferson Davis became the President of the Confederate States of America.
1861 - The Civil War began at Fort Sumter in South Carolina.
1861 - Confederate general Stonewall Jackson defeated the Union army at the Battle of Bull Run in July. Jackson was regarded as one of the best Confederate commanders.
1862 - The Battle of Antietam took place late in the year. It became the bloodiest single day of the war.
1863 - The Emancipation Proclamation is announced by Abraham Lincoln. The Emancipation Proclamation only freed the slaves in rebelling states (those in the Confederacy).
1863 - The Battle of Gettysburg took place in Gettysburg, Pennsylvania. After 3 days of heavy fighting, Lee retreated.. The battle was the turning point of the war and Lee’s army was never again able to go on the offensive in the North again.
1863 - Lincoln gave the Gettysburg Address to dedicate a cemetery to Union soldiers who died in the Battle of Gettysburg.
1863 - The Battle of Vicksburg became another turning point in the war when Grant defeated the Confederate army and gained control of the Mississippi River, cutting the South into two parts.
1864 - Lincoln is re-elected to a second term as President of the United States. Gave his Second Inaugural Address which focused on the end of slavery and trying to bind the wounds that were caused by the Civil War.
1865 - General Lee and the Confederate Army surrendered to General Grant and the Union Army at Appomattox Court House and ended the Civil War.
1865 - Abraham Lincoln was assassinated by John Wilkes Booth while he attended a play at Ford’s Theatre.