BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID:events-330@ DTSTAMP:19691231T230001Z DTSTART:20260824T100000Z DTEND:20260828T163000Z SUMMARY:Concrete Art Projekt 2026 (Aachen) END:VEVENT END:VCALENDAR