New Year's Day
Easter Monday
Labor Day
Ascension Day
Pentecost Monday
National Day
Assumption of Mary
All Saints' Day
Armistice Day
King's Day
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1779
1780
1781 › 
# Date Public holiday
1Saturday, 1 January 1780 New Year's Day
2Monday, 27 March 1780 Easter Monday
3Monday, 1 May 1780 Labor Day
4Thursday, 4 May 1780 Ascension Day
5Monday, 15 May 1780 Pentecost Monday
6Friday, 21 July 1780 National Day
7Tuesday, 15 August 1780 Assumption of Mary
8Wednesday, 1 November 1780 All Saints' Day
9Saturday, 11 November 1780 Armistice Day
10Wednesday, 15 November 1780 King's Day
11Monday, 25 December 1780 Christmas Day