BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//some-deadlines//EN
METHOD:PUBLISH
X-WR-CALNAME:Some Deadlines
X-PUBLISHED-TTL:PT1H
BEGIN:VEVENT
UID:oopsla2027a-notification@some-deadlines
DTSTAMP:20261028T032109Z
DTSTART;VALUE=DATE:20261218
DTEND;VALUE=DATE:20261219
SUMMARY:[OOPSLA (Round 1) 2027] Notification
END:VEVENT
END:VCALENDAR