![Despite numerous attempts to deescalate the situation on both sides, Fort Sumter was fired upon in April 1861, marking the start of the American Civil War.](https://warfarehistorynetwork.com/wp-content/uploads/2014/04/Firing-on-Fort-Sumter.jpg)
Jefferson Davis
American Civil War Timeline: the Road to War
by William WelshOne of the catalysts for a major rebellion in the United States were irregular warfare in “Bleeding Kansas” from 1854 to 1861 between anti-slavery Free Staters and pro-slavery border ruffians. Read more