BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1983-W21@make-a-calendar.com
DTSTAMP:20260829T222129Z
DTSTART;VALUE=DATE:19830523
DTEND;VALUE=DATE:19830530
SUMMARY:ISO Week 21, 1983
DESCRIPTION:Monday–Sunday · 1983-W21 · May 23 – May 29, 1983
URL:https://make-a-calendar.com/week-number/1983/21
END:VEVENT
END:VCALENDAR