BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Weimar – Die erste deutsche Demokratie CREATED:20181102T073300Z DTSTART:20181010T220000Z DTEND:20190330T230000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");