BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:sztuka-ziemi.zacheta
DTSTAMP:20260710T054121Z
DTSTART:20260710T054121Z
SUMMARY:Sztuka Ziemi 
END:VEVENT
END:VCALENDAR