BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260407T020221Z
DTSTART:20210531T120000Z
DTEND:20210601T030000Z
SUMMARY:memorial-day
LOCATION:    
END:VEVENT
END:VCALENDAR