BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1980-W42@make-a-calendar.com
DTSTAMP:20260920T181418Z
DTSTART;VALUE=DATE:19801013
DTEND;VALUE=DATE:19801020
SUMMARY:ISO Week 42, 1980
DESCRIPTION:Monday–Sunday · 1980-W42 · Oct 13 – Oct 19, 1980
URL:https://make-a-calendar.com/week-number/1980/42
END:VEVENT
END:VCALENDAR