BEGIN:VCALENDAR
CALSCALE:GREGORIAN
VERSION:2.0
PRODID:-//Elixir ICalendar//Elixir ICalendar//EN
BEGIN:VEVENT
DTEND:20230909T193000Z
DTSTART:20230918T183000Z
LOCATION:Online
SUMMARY:Online lecture: Large-scale storage of electricity
END:VEVENT
END:VCALENDAR