Abraham Lincoln is elected as the 16th President of the United States, replacing James Buchanan. Before Lincoln’s election was certified on February 15, 1861, seven southern states had left the Union and the Confederate States of America with Jefferson Davis as its President had been established.
From 1861 until his assassination in 1865. Lincoln led the Union through the American Civil War and succeeded in defeating the insurgent Confederacy, abolishing slavery, expanding the power of the federal government, and modernizing the U.S. economy. More