Timeline of events leading to the American Civil War Timeline of events leading to the American Civil War This timeline of events leading up to the American Civil War describes and links to narrative articles and references about many of the events and issues which historians recognize as origins and causes of the Civil War. The pre-Civil War events can be roughly divided into a period encompassing the long-term build-up over many decades and a period encompassing the five-month build-up to war immediately after the election of Abraham Lincoln as President in the Election of 1860, which culminated in the Fall of Fort Sumter (April 1861). Since the early
Western Theater of the American Civil War formally surrendered his force on May 9. Wilson's cavalry officially took control of Tallahassee, Florida, on May 20, the last Confederate state capital east of the Mississippi to be captured, completing the Western Theater operations. A detachment of Wilson's cavalry captured Confederate President Jefferson Davis on May 10 near Irwinville, Georgia. The costliest land battles in the western theater, measured by casualties (killed, wounded, captured, and missing), were: Western Theater of the American Civil War The Western Theater of the American Civil War encompassed major military operations in the states of Alabama, Georgia, Florida, Mississippi, North Carolina, Kentucky, South Carolina