Birthdays
William Nelson Rector Beall
Turns 41 on this date
Jesse Spinner Burks
Turns 43 on this date
Eugene Asa Carr
Turns 36 on this date
Marvin Emory Clark
Turns 33 on this date
George Bibb Crittenden
Turns 54 on this date
Neal S. Dow
Turns 62 on this date
John Echols
Turns 43 on this date
Thomas Dawes Eliot
Turns 58 on this date
Samuel Galloway
Turns 55 on this date
Events
| Crime/Disasters | A deadly tornado kills four people in Montgomery County, Indiana | 03/20/1866 |
| Crime/Disasters | A powerful tornado strikes central Illinois killing at least one and injuring dozens more | 03/20/1866 |
| Campaigns/Elections | Rhode Island Republicans nominate Union General Ambrose Burnside for governor. | 03/20/1866 |
| 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 |