BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:"Von der Depesche zum Tweet" - Tag der Archive im Bundesarchiv in Koblenz CREATED:20200118T101250Z DTSTART:20200307T090000Z DTEND:20200307T160000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");