BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-65436@en.greekcourses.uoa.gr DTSTAMP:20241210T133257Z DTSTART:20241216T170000 SUMMARY:Επιστημονική εκδήλωση END:VEVENT END:VCALENDAR