BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1989-W21@make-a-calendar.com
DTSTAMP:20260830T173425Z
DTSTART;VALUE=DATE:19890522
DTEND;VALUE=DATE:19890529
SUMMARY:ISO Week 21, 1989
DESCRIPTION:Monday–Sunday · 1989-W21 · May 22 – May 28, 1989
URL:https://make-a-calendar.com/week-number/1989/21
END:VEVENT
END:VCALENDAR