BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1975-W21@make-a-calendar.com
DTSTAMP:20260920T170826Z
DTSTART;VALUE=DATE:19750519
DTEND;VALUE=DATE:19750526
SUMMARY:ISO Week 21, 1975
DESCRIPTION:Monday–Sunday · 1975-W21 · May 19 – May 25, 1975
URL:https://make-a-calendar.com/week-number/1975/21
END:VEVENT
END:VCALENDAR