BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Weimar – Die erste deutsche Demokratie CREATED:20181122T111200Z DTSTART:20181121T083000Z DTEND:20190329T130000Z LOCATION:Rastatt END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");