Events in January 1666
| MonMonday | TueTuesday | WedWednesday | ThuThursday | FriFriday | SatSaturday | SunSunday |
|---|---|---|---|---|---|---|
| December 28, 1665 | December 29, 1665 | December 30, 1665 | December 31, 1665 | January 1, 1666 | January 2, 1666 | January 3, 1666 |
| January 4, 1666 | January 5, 1666 | January 6, 1666 | January 7, 1666 | January 8, 1666 | January 9, 1666 | January 10, 1666 |
| January 11, 1666 | January 12, 1666 | January 13, 1666 | January 14, 1666 | January 15, 1666 | January 16, 1666 | January 17, 1666 |
| January 18, 1666 | January 19, 1666 | January 20, 1666 | January 21, 1666 | January 22, 1666 | January 23, 1666 | January 24, 1666 |
| January 25, 1666 | January 26, 1666 | January 27, 1666 | January 28, 1666 | January 29, 1666 | January 30, 1666 | January 31, 1666 |
