BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-72035@wbcc-en.geol.uoa.gr DTSTAMP:20250505T114336Z DTSTART:20250519T190000 SUMMARY:Event in honour of Professor Emeritus Jean Christianidis END:VEVENT END:VCALENDAR