Civil War By CadeHill Apr 12, 1861 Battle of Fort Sumter The battle that began the Civil War Sep 17, 1862 Battle of Antietam Bloodiest battle of the Civil War Jan 9, 1863 Battle of Arkansas Post One of the first battles fought in Arkansas Jul 1, 1863 Battle of Gettysburg Bloodiest series of the war. Apr 9, 1865 Surrender at Appomatox Court House Last battle and surrender of the Confederacy