BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:wspolne-korzenie.zacheta
DTSTAMP:20260702T054334Z
DTSTART:20260702T054334Z
SUMMARY:Wspólne korzenie
END:VEVENT
END:VCALENDAR