1820 Holidays and Events in Poland
| Additional Information | Date | Name |
|---|---|---|
| 1/1/1820, Sat | New Year's Day | |
| 3/26/1820, Sun | Palm Sunday | |
| 4/2/1820, Sun | Easter | |
| 4/3/1820, Mon | Easter Monday | |
| 5/1/1820, Mon | May Day / Labor Day | |
| 5/3/1820, Wed | Constitution Day | |
| 6/1/1820, Thu | Corpus Christi | |
| 6/1/1820, Thu | Whit Sunday | |
| 8/15/1820, Tue | Assumption / Polish Army Day | |
| 11/1/1820, Wed | All Saints' Day | |
| 11/11/1820, Sat | National Independence Day | |
| 12/24/1820, Sun | Christmas Eve | |
| 12/25/1820, Mon | Christmas Day | |
| 12/26/1820, Tue | Christmas - 2nd Day | |
| 12/31/1820, Sun | New Year's Eve |