BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1989-W18@make-a-calendar.com
DTSTAMP:20260830T142933Z
DTSTART;VALUE=DATE:19890501
DTEND;VALUE=DATE:19890508
SUMMARY:ISO Week 18, 1989
DESCRIPTION:Monday–Sunday · 1989-W18 · May 1 – May 7, 1989
URL:https://make-a-calendar.com/week-number/1989/18
END:VEVENT
END:VCALENDAR