| Date | Event |
|---|---|
| April 08 1864 | American Civil War: Union Defeated At Mansfield |
| April 10 1864 | Archduke Proclaimed Emperor Of Mexico |
| April 12 1864 | Confederates Kill African American Soldiers |
| April 17 1864 | Confederate Forces Attack Plymouth, North Carolina |
| April 18 1864 | Denmark Surrenders Schleswig To Prussian-Austrian Army |
| April 22 1864 | Congress Passes The Coinage Act In 1864 |
| April 25 1864 | Battle Of Marks Mills In Civil War |
| April 29 1864 | RPI's Theta Xi Founded During Civil War |