BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Kalender//
BEGIN:VEVENT
SUMMARY:Mathematikolympiade 
DTSTART:20181114T070000Z
DTSTAMP:20260704T181922Z
UID:event_ical_kalender_1789
DESCRIPTION:Mathematikolympiade
END:VEVENT
END:VCALENDAR