BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:12001
DTSTART;VALUE=DATE:20171231
URL;VALUE=URI:ohschonhell.de/?page_id=21809
SUMMARY:OPEN YEAR # 2018
LOCATION:Open Air
END:VEVENT
END:VCALENDAR