BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:YIN ( 1e maandag vd maand)
DTSTART;TZID=Europe/Amsterdam:20220502T180000
DTEND;TZID=Europe/Amsterdam:20220502T190000
LOCATION:Reaumurstraat
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR