BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1980-W43@make-a-calendar.com
DTSTAMP:20260920T182106Z
DTSTART;VALUE=DATE:19801020
DTEND;VALUE=DATE:19801027
SUMMARY:ISO Week 43, 1980
DESCRIPTION:Monday–Sunday · 1980-W43 · Oct 20 – Oct 26, 1980
URL:https://make-a-calendar.com/week-number/1980/43
END:VEVENT
END:VCALENDAR