America’s bloodiest clash, the sectional conflct of the Civil War (1861-65) pitted the Union against the Confederate States of America and resulted in the death of more than 620,000, with millions more injured.
November 6, 1860 - Abraham Lincoln, who had declared "Government cannot endure permanently half slave, half free..." is elected president, the first Republican, receiving 180 of 303 possible electoral votes and 40 percent of the popular vote.
April 12, 1861 at 4:30 a.m. Confederates under Gen. Pierre Beauregard open fire with 50 cannons upon Fort Sumter in Charleston, South Carolina. The Civil War begins.
Fort Sumter after its capture, showing damage from the Rebel bombardment of over 3000 shells and now flying the Rebel "Stars and Bars" - April 14, 1861.
April 15, 1861 President Lincoln issues a Proclamation calling for 75,000 militiamen, and summoning a special session of Congress for July 4.
Robert E. Lee, son of a Revolutionary War hero, and a 25 year distinguished veteran of the United States Army and former Superintendent of West Point, is offered command of the Union Army. Lee declines.
April 17, 1861 Virginia secedes from the Union, followed within five weeks by Arkansas, Tennessee, and North Carolina, thus forming an eleven state Confederacy with a population of 9 million, including nearly 4 million slaves. The Union will soon have 21 states and a population of over 20 million.
April 19, 1861 President Lincoln issues a Proclamation of Blockade against Southern ports. For the duration of the war the blockade limits the ability of the rural South to stay well supplied in its war against the industrialized North.