Birthdays
Henry Howland Crapo
Turns 62 on this date
Thomas Hope Harvey
Turns 22 on this date
Hermann Lieb
Turns 40 on this date
William Patrick Willey
Turns 26 on this date
Events
| Battles/Soldiers | At the Battle of Tuyutí, the Paraguayan army suffers massive losses attacking the Allied invaders. | 05/24/1866 |
| Lawmaking/Litigating | In West Virginia, a state constitutional amendment passes and disenfranchises many former Confederates | 05/24/1866 |
| Legal/Political | The first session of the 39th Congress is sitting in Washington DC from early January to late July, 1866 |
01/07/1866 to 07/27/1866 |