BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1973-W4@make-a-calendar.com
DTSTAMP:20260920T153830Z
DTSTART;VALUE=DATE:19730122
DTEND;VALUE=DATE:19730129
SUMMARY:ISO Week 4, 1973
DESCRIPTION:Monday–Sunday · 1973-W04 · Jan 22 – Jan 28, 1973
URL:https://make-a-calendar.com/week-number/1973/4
END:VEVENT
END:VCALENDAR