Public holidays
1900, Poland, National public holidays
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1900 | New Year's Day |
| 2 | Saturday, 6 January 1900 | Epiphany |
| 3 | Sunday, 15 April 1900 | Easter Sunday |
| 4 | Monday, 16 April 1900 | Easter Monday |
| 5 | Tuesday, 1 May 1900 | Labour Day |
| 6 | Thursday, 3 May 1900 | Constitution Day |
| 7 | Sunday, 3 June 1900 | Pentecost Sunday |
| 8 | Thursday, 14 June 1900 | Corpus Christi |
| 9 | Wednesday, 15 August 1900 | Assumption of Mary |
| 10 | Thursday, 1 November 1900 | All Saints' Day |
| 11 | Sunday, 11 November 1900 | Independence Day |
| 12 | Tuesday, 25 December 1900 | Christmas Day |
| 13 | Wednesday, 26 December 1900 | Boxing Day |