BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
CATEGORIES:Новый уровень 4.0
DTSTART:20180510T100000
DTEND:20180610T180000
SUMMARY:Новый уровень 4.0
DESCRIPTION:
LOCATION:
END:VEVENT
END:VCALENDAR