Why don't the Dutch celebrate 1 May?

Media contributions

• Title	Why don't the Dutch celebrate 1 May?
  Degree of recognition	National
  Media name/outlet	NPO Radio 5
  Media type	Radio
  Duration/Length/Size	4 minutes
  Country/Territory	Netherlands
  Date	01/05/2019
  Producer/Author	Ron Kas (Bart op 5)
  Persons	Sjaak van der Velden