Birthdays
John Henderson Carothers
Turns 53 on this date
Oliver James Dickey
Turns 43 on this date
Charles William Field
Turns 38 on this date
Eliza Paul Kirkbride Gurney
Turns 65 on this date
Joseph Meharry Medill
Turns 43 on this date
Events
| Education/Culture | In Decatur, Illinois Union veterans found the first "post" of what will be the Grand Army of the Republic | 04/06/1866 |
| Lawmaking/Litigating | In Washington, the U.S. Senate votes to over-ride the presidential veto of the Civil Rights Bill | 04/06/1866 |
| US/the World | Mexican Ambassador Matias Romero meets with President Johnson seeking assistance for Mexico | 04/06/1866 |
| 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 |