BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1972-W1@make-a-calendar.com
DTSTAMP:20260920T142407Z
DTSTART;VALUE=DATE:19720103
DTEND;VALUE=DATE:19720110
SUMMARY:ISO Week 1, 1972
DESCRIPTION:Monday–Sunday · 1972-W01 · Jan 3 – Jan 9, 1972
URL:https://make-a-calendar.com/week-number/1972/1
END:VEVENT
END:VCALENDAR