| Date | Event |
|---|---|
| April 06 1861 | Sullivan's Music For The Tempest Successful |
| April 12 1861 | American Civil War Begins In South Carolina |
| April 13 1861 | Fort Sumter Surrenders To Confederates |
| April 15 1861 | Volunteers Summoned To Quell Beginning Civil War |
| April 17 1861 | Virginia Seceds, Becomes 8th Confederate State |
| April 19 1861 | Baltimore Secessionists Attack Union Army Troops |
| April 20 1861 | Lee Leaves Union For Confederacy |
| April 27 1861 | Habeas Corpus Suspended By American President Lincoln |
| April 29 1861 | Maryland Votes To Stay In The Union |