BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1977-W19@make-a-calendar.com
DTSTAMP:20260920T181419Z
DTSTART;VALUE=DATE:19770509
DTEND;VALUE=DATE:19770516
SUMMARY:ISO Week 19, 1977
DESCRIPTION:Monday–Sunday · 1977-W19 · May 9 – May 15, 1977
URL:https://make-a-calendar.com/week-number/1977/19
END:VEVENT
END:VCALENDAR