Answer:
Public holidays:
New Year's Day January 1
Easter varying
Easter Monday 1st Monday after Easter
Labour Day May 1
Ascension 6th Thursday after Easter
Pentecost 7th Sunday after Easter
Pentecost Monday 8th Monday after Easter
National holiday July 21
Assumption of Mary August 15
All Saints November 1
Armistice Day November 11
Christmas December 25
There is a lot of cultural events. And also nearly every city has a special festival for a week. ( for example: Festival of Ghent is so popular in the world)