Border War Timeline By unit731 Apr 12, 1861 Attack on Fort Sumpter Apr 20, 1861 Missouri secessionist seized arsenal May 10, 1861 Camp Jackson Incident Aug 10, 1861 Battle of Wilson's Creek Sep 23, 1861 Massacre at Osceola Nov 28, 1861 Confederacy claimed Missouri Sep 7, 1862 Quantrill raided Olathe, Kansas Aug 13, 1863 Two women killed when prison collapsed Aug 21, 1863 Quantrill raided Lawrence, Kansas Aug 25, 1863 General Order #11 Issued May 7, 1864 Sherman began his Atlanta campaign Sep 27, 1864 Centralia Massacre
