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
Conclusion of the American Civil War May 10, U.S. President Andrew Johnson declared the rebellion's armed resistance virtually ended . Thompson's Brigade surrendered on May 11, Confederate forces of North Georgia surrendered on May 12, and Kirby Smith surrendered on May 26 (officially signed June 2). The last battle of the American Civil War was the Battle of Palmito Ranch in Texas on May 12 and 13. The last significant Confederate active force to surrender was the Confederate allied Cherokee Brigadier General Stand Watie and his Indian soldiers on June 23. The last Confederate surrender occurred on November 6, 1865, when the Confederate warship CSS "Shenandoah"