BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1978-W23@make-a-calendar.com
DTSTAMP:20260920T180903Z
DTSTART;VALUE=DATE:19780605
DTEND;VALUE=DATE:19780612
SUMMARY:ISO Week 23, 1978
DESCRIPTION:Monday–Sunday · 1978-W23 · Jun 5 – Jun 11, 1978
URL:https://make-a-calendar.com/week-number/1978/23
END:VEVENT
END:VCALENDAR