BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1980-W19@make-a-calendar.com
DTSTAMP:20260920T182107Z
DTSTART;VALUE=DATE:19800505
DTEND;VALUE=DATE:19800512
SUMMARY:ISO Week 19, 1980
DESCRIPTION:Monday–Sunday · 1980-W19 · May 5 – May 11, 1980
URL:https://make-a-calendar.com/week-number/1980/19
END:VEVENT
END:VCALENDAR