BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1981-W49@make-a-calendar.com
DTSTAMP:20260920T170548Z
DTSTART;VALUE=DATE:19811130
DTEND;VALUE=DATE:19811207
SUMMARY:ISO Week 49, 1981
DESCRIPTION:Monday–Sunday · 1981-W49 · Nov 30 – Dec 6, 1981
URL:https://make-a-calendar.com/week-number/1981/49
END:VEVENT
END:VCALENDAR