BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//fa.cvut.cz//calendar//EN
BEGIN:VEVENT
UID:event-9321@fa.cvut.cz
DTSTAMP:20190214T082621Z
DTSTART:20190424T160000Z
DTEND:20190424T160000Z
SUMMARY:
END:VEVENT
END:VCALENDAR