BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1990-W4@make-a-calendar.com
DTSTAMP:20260920T170647Z
DTSTART;VALUE=DATE:19900122
DTEND;VALUE=DATE:19900129
SUMMARY:ISO Week 4, 1990
DESCRIPTION:Monday–Sunday · 1990-W04 · Jan 22 – Jan 28, 1990
URL:https://make-a-calendar.com/week-number/1990/4
END:VEVENT
END:VCALENDAR