Abraham Lincoln was elected president on November 6, 1860. South Carolina seceded from the Union on December 20, 1860, becoming the first state to do so. Jefferson Davis was elected president of the Confederate States of America on February 18, 1861. On April 12, 1861, Confederate forces bombarded Fort Sumter in South Carolina, marking the start of the Civil War. The First Battle of Bull Run, also known as the First Battle of Manassas, took place on July 21, 1861, representing the first major land battle of the war.