Civil War Timeline By Arizona18 Apr 12, 1861 Battle of Fort Sumter Fort Sumter is bombarded by confederate tropps, thus starting the Civil War. Sep 17, 1862 Union victory at the Battle of Antietam Jan 1, 1863 President Abraham Lincoln issues the Emancipation Proclamation Jul 3, 1863 Robert E. Lee's Army is defeated at Gettysburg Jul 4, 1863 Union Victory at Siege of Vicksburg Apr 9, 1865 Robert E. Lee surrenders at Appomattox Court House