BEGIN:VCALENDAR
PRODID:-//eluceo/ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:eeb9a976-8f7f-58ff-a4ac-b4361e34c9e9
DTSTAMP:20260812T110505Z
SUMMARY:Дата образования НИИ технического с
 текла
DESCRIPTION:https://aviafan.ru/articles/data-obrazovaniya-nii-tehnicheskogo
 -stekla
URL:https://aviafan.ru/articles/data-obrazovaniya-nii-tehnicheskogo-stekla
DTSTART;VALUE=DATE:19540910
RRULE:FREQ=YEARLY
FBTYPE:FREE
END:VEVENT
END:VCALENDAR