Birthdays
William Nelson Rector Beall
Turns 35 on this date
Jesse Spinner Burks
Turns 37 on this date
Eugene Asa Carr
Turns 30 on this date
Marvin Emory Clark
Turns 27 on this date
George Bibb Crittenden
Turns 48 on this date
Neal S. Dow
Turns 56 on this date
John Echols
Turns 37 on this date
Thomas Dawes Eliot
Turns 52 on this date
Samuel Galloway
Turns 49 on this date
Events
| Science/Technology | First day of Spring | 03/20/1860 |
| Lawmaking/Litigating | Lieutenant-Governor Wood sworn in as Governor of Illinois after the death of William Bissell | 03/20/1860 |
| Foreign | Miramón forces besieging Vera Cruz subject the port to a sustained bombardment |
03/15/1860 to 03/20/1860 |
| Lawmaking/Litigating | The 36th U.S. Congress is in session in Washington, D.C. |
12/06/1859 to 06/24/1860 |