Public holidays
1399, Serbia
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1399 | New Year's Day |
| 2 | Wednesday, 2 January 1399 | New Year's Holiday |
| 3 | Monday, 7 January 1399 | Orthodox Christmas Day |
| 4 | Friday, 15 February 1399 | National Day |
| 5 | Saturday, 16 February 1399 | National Day Holiday |
| 6 | Wednesday, 1 May 1399 | May Day |
| 7 | Thursday, 2 May 1399 | May Day Holiday |
| 8 | Monday, 11 November 1399 | Armistice Day |