BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:viva-moniuszko.zacheta
DTSTAMP:20260628T030822Z
DTSTART:20260628T030822Z
SUMMARY:Viva Moniuszko!
END:VEVENT
END:VCALENDAR