BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:175 Jahre Revolution 1848/49 CREATED:20220921T125903Z DTSTART:20220927T170000Z DTEND:20230529T150000Z LOCATION:Rastatt END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");