Public holidays
1820, Suisse, Nidwalden
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1820 | New Year's Day |
| 2 | Sunday, 19 March 1820 | Saint Joseph's Day |
| 3 | Friday, 31 March 1820 | Good Friday |
| 4 | Thursday, 11 May 1820 | Ascension Day |
| 5 | Thursday, 1 June 1820 | Corpus Christi |
| 6 | Tuesday, 1 August 1820 | Swiss National Day |
| 7 | Tuesday, 15 August 1820 | Assumption of Mary |
| 8 | Wednesday, 1 November 1820 | All Saints' Day |
| 9 | Friday, 8 December 1820 | Immaculate Conception |
| 10 | Monday, 25 December 1820 | Christmas Day |