BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1989-W52@make-a-calendar.com
DTSTAMP:20260901T024700Z
DTSTART;VALUE=DATE:19891225
DTEND;VALUE=DATE:19900101
SUMMARY:ISO Week 52, 1989
DESCRIPTION:Monday–Sunday · 1989-W52 · Dec 25 – Dec 31, 1989
URL:https://make-a-calendar.com/week-number/1989/52
END:VEVENT
END:VCALENDAR