Birthdays
William Montague Browne
Turns 39 on this date
Alfred Pleasonton
Turns 42 on this date
Daniel F. Rohrer
Turns 34 on this date
Robert Teackle Savage
Turns 32 on this date
James Murrell Shackelford
Turns 39 on this date
Events
| Science/Technology | The eastern end of the new Atlantic Cable is delivered to Valencia in Ireland. | 07/07/1866 |
| 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 |