BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20210118T180000Z
DTSTART:20210118T180000Z
DTEND:20210118T180000Z
SUMMARY:1. digitaler Parteitag
END:VEVENT
END:VCALENDAR