BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1979-W51@make-a-calendar.com
DTSTAMP:20260920T182116Z
DTSTART;VALUE=DATE:19791217
DTEND;VALUE=DATE:19791224
SUMMARY:ISO Week 51, 1979
DESCRIPTION:Monday–Sunday · 1979-W51 · Dec 17 – Dec 23, 1979
URL:https://make-a-calendar.com/week-number/1979/51
END:VEVENT
END:VCALENDAR