Public holidays
1640, Suisse, Wallis
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1640 | Jour de l'An |
| 2 | Monday, 19 March 1640 | Saint-Joseph |
| 3 | Thursday, 17 May 1640 | Jeudi de l'Ascension |
| 4 | Thursday, 7 June 1640 | Fête-Dieu |
| 5 | Wednesday, 1 August 1640 | Fête nationale suisse |
| 6 | Wednesday, 15 August 1640 | Assomption |
| 7 | Thursday, 1 November 1640 | Toussaint |
| 8 | Saturday, 8 December 1640 | Immaculée Conception |
| 9 | Tuesday, 25 December 1640 | Noël |