US Civil War By BReiss1 Feb 9, 1861 The southern states that seceded create a government at Montgomery, Alabama, and the Confederate States of America are formed. https://www.nps.gov/gett/learn/historyculture/civil-war-timeline.htm Apr 12, 1861 Southern forces fire upon Fort Sumter, South Carolina. The Civil War has formally begun. https://www.nps.gov/gett/learn/historyculture/civil-war-timeline.htm May 10, 1865 May 10, 1865- Confederate President Jefferson Davis is captured near Irwinville, Georgia. https://www.nps.gov/gett/learn/historyculture/civil-war-timeline.htm May 26, 1865 General Simon Bolivar Buckner enters into terms for surrender of the Army of the Trans-Mississippi, which are agreed to on June 2, 1865.The Civil War officially ends. https://www.nps.gov/gett/learn/historyculture/civil-war-timeline.htm