Public holidays
1640, USA, Tennessee
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1640 | New Year's Day |
| Monday, 2 January 1640 | New Year's Day (observance) | |
| 2 | Wednesday, 22 February 1640 | Washington's Birthday |
| 3 | Friday, 6 April 1640 | Good Friday |
| 4 | Wednesday, 30 May 1640 | Memorial Day |
| 5 | Wednesday, 4 July 1640 | Independence Day |
| 6 | Monday, 3 September 1640 | Labor Day |
| 7 | Monday, 24 December 1640 | Christmas Eve |
| 8 | Tuesday, 25 December 1640 | Christmas |