BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20260329T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20251026T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260510T111108Z
UID:the-russian-revolution-the-greatest-event-in-history-marx-soc-open-meet
 ing
DTSTART;TZID=Europe/London:20260326T183000
DTEND;TZID=Europe/London:20260326T230000
LOCATION:Upstairs at Brewhouse & Kitchen\, BS6 6JY
SUMMARY:The Russian Revolution: The Greatest Event in History - Marx Soc Op
 en Meeting
END:VEVENT
END:VCALENDAR