BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:zrodlo-zycia.zacheta
DTSTAMP:20260627T224553Z
DTSTART:20260627T224553Z
SUMMARY:Źródło życia 
END:VEVENT
END:VCALENDAR