Birthdays
George David Cummins
Turns 44 on this date
Clemence Sophia Larned Lozier
Turns 53 on this date
Hiram Paulding
Turns 69 on this date
George Washington Wright
Turns 57 on this date
Events
| Education/Culture | In New York Harbor, the first Great Ocean Yacht Race across the Atlantic begins. | 12/11/1866 |
| Legal/Political | The second session of the 39th Congress is sitting in Washington, DC |
12/04/1866 to 12/19/1866 |