Birthdays
Samuel Benton Callahan
Turns 33 on this date
Benjamin Franklin Flanders
Turns 50 on this date
Julia Dent Grant
Turns 40 on this date
John McIntosh Kell
Turns 43 on this date
Horace Burton Strait
Turns 31 on this date
Events
| Crime/Disasters | In eastern Pennsylvania, a Jersey City express train derails and kills two nearby woodcutters | 01/26/1866 |
| Campaigns/Elections | Maryland Democrats meet in Baltimore to protest the state's restrictive voter registration law |
01/24/1866 to 01/26/1866 |
| Crime/Disasters | Months of sometimes violent volcanic activity are striking the Greek Island of Santorini |
01/19/1866 to 02/20/1866 |
| 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 |