BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:10738
DTSTART;VALUE=DATE:20170721
URL;VALUE=URI:ohschonhell.de/?page_id=19075
SUMMARY:Summer Technowerk
LOCATION:Stellwerk Hamburg
END:VEVENT
END:VCALENDAR