BEGIN:VCALENDAR
VERSION:2.0
METHOD:PUBLISH
BEGIN:VEVENT
UID:1648116915600
SUMMARY:30th European Conference on Operational Research
CLASS:PUBLIC
DTSTART;VALUE=DATE:20190623
DTEND;VALUE=DATE:20190627
DTSTAMP:20220324T101515Z
END:VEVENT
END:VCALENDAR