BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//YourSite//ICS Event Generator//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:event-1789562570905-8hpowsyo@yourdomain.com
DTSTAMP:20260916T124250Z
DTSTART;TZID=Europe/Berlin:20261019T171000
DTEND;TZID=Europe/Berlin:20261019T185000
SUMMARY:Erwachsene Mo
RRULE:FREQ=WEEKLY;INTERVAL=2;BYDAY=MO
END:VEVENT
END:VCALENDAR