Birthdays
Joseph Bailey
Turns 50 on this date
George Washington Bethune
Turns 55 on this date
William Robertson Boggs
Turns 31 on this date
Francis Fessenden
Turns 21 on this date
Francis Lieber
Turns 62 on this date
Lewis Linn McArthur
Turns 17 on this date
James Elijah Pilcher
Turns 3 on this date
John Pope
Turns 38 on this date
Events
| US/the World | First Japanese diplomatic mission to the United States departs Hawaii for San Francisco | 03/18/1860 |
| Crime/Disasters | Large boiler explosion in Detroit, Michigan results remarkably in no serious injuries | 03/18/1860 |
| Foreign | Miramón forces besieging Vera Cruz subject the port to a sustained bombardment |
03/15/1860 to 03/20/1860 |
| Foreign | Piedmont-Sardinia annexes Emilia as the unification of Italy increases pace | 03/18/1860 |
| Lawmaking/Litigating | The 36th U.S. Congress is in session in Washington, D.C. |
12/06/1859 to 06/24/1860 |
| Personal | William H. Bissell becomes the first Illinois governor to die in office | 03/18/1860 |