Public holidays
1664, Serbia
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1664 | New Year's Day |
| 2 | Wednesday, 2 January 1664 | New Year's Holiday |
| 3 | Monday, 7 January 1664 | Orthodox Christmas Day |
| 4 | Friday, 15 February 1664 | National Day |
| 5 | Saturday, 16 February 1664 | National Day Holiday |
| 6 | Thursday, 1 May 1664 | May Day |
| 7 | Friday, 2 May 1664 | May Day Holiday |
| 8 | Tuesday, 11 November 1664 | Armistice Day |