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
Siege artillery in the American Civil War siege artillery. The advent of rifled artillery made them obsolete. The Civil War was the first major war to see the use of rifled artillery. Rifling gave the guns greater velocity, range, accuracy, and penetrating power, making smoothbore siege guns obsolete. The ranges of these guns is somewhat problematic. The 6.4 inch (100-pounder) Parrott rifle had a maximum range of . However, the absence of suitable sights . and a good system of directing fire on targets that could not be seen from the gun, limited the effective range of the rifled guns. The bombardment of Fort Pulaski demonstrated that