The Civil War Major Battles By FCRanger4 Apr 12, 1861 Beginning of the Civil War Period: Apr 12, 1861 to May 13, 1865 The Civil War Major Battles Apr 6, 1862 Battle of Shiloh Jun 25, 1862 Seven Days Battle Aug 29, 1862 Second Battle of Bull Run Sep 17, 1862 Battle of Antietam Dec 17, 1862 Battle of Stones River May 1, 1863 Battle of Chacellorsville Jun 1, 1863 Battle of Gettysburg Bloodiest battle in the Civil War Sep 19, 1863 Battle of Chickamaunga May 5, 1864 Battle of the Wilderness May 8, 1864 Battle of Spotsylvania Court House May 13, 1865 End of Civil War