BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1990-W51@make-a-calendar.com
DTSTAMP:20260920T170757Z
DTSTART;VALUE=DATE:19901217
DTEND;VALUE=DATE:19901224
SUMMARY:ISO Week 51, 1990
DESCRIPTION:Monday–Sunday · 1990-W51 · Dec 17 – Dec 23, 1990
URL:https://make-a-calendar.com/week-number/1990/51
END:VEVENT
END:VCALENDAR