Birthdays
William Armstrong
Turns 29 on this date
Alfred Holt Colquitt
Turns 41 on this date
John Gibbon
Turns 38 on this date
James Henry Loomis
Turns 23 on this date
Albert Gallatin Porter
Turns 41 on this date
Charles Debrille Poston
Turns 40 on this date
John Smith Preston
Turns 56 on this date
Events
| Crime/Disasters | At the War Department, Secretary Stanton announced large rewards for the capture of the Lincoln conspirators | 04/20/1865 |
| Crime/Disasters | George Atzerodt, failed assassin in the John Wilkes Booth conspiracy, is captured in Maryland | 04/20/1865 |
| Crime/Disasters | John Wilkes Booth and David Herold are hiding from their pursuers in a remote Maryland pine thicket |
04/17/1865 to 04/20/1865 |
| Personal | The body of slain President Lincoln is laying in state in the United States Capitol rotunda | 04/20/1865 |