BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:wieczor-slajdow.zacheta
DTSTAMP:20260629T195336Z
DTSTART:20260629T195336Z
SUMMARY:wieczór slajdów
END:VEVENT
END:VCALENDAR