BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//archive.cryptologicfoundation.org//NONSGML kigkonsult.se iCalcrea
 tor 2.30.10//
CALSCALE:GREGORIAN
METHOD:PUBLISH
UID:476edd2c-a79a-4404-914d-a686d9574961
X-WR-CALDESC:24 June 1918: The 'Potomac Code' - the first of the AEF 'River
 ' series of field codes was issued.\n\nSee the link below for 'American Ar
 my Field Codes in the American Expeditionary Forces during the First World
  War.' - an NSA declassified Friedman document.
X-WR-RELCALID:13b3fb5f983bd5c2ceccb8a98551a83e
X-WR-TIMEZONE:America/New_York
BEGIN:VTIMEZONE
TZID:America/New_York
BEGIN:STANDARD
TZNAME:EST
DTSTART:20251102T020000
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
RDATE:20261101T020000
RDATE:20271107T020000
END:STANDARD
BEGIN:DAYLIGHT
TZNAME:EDT
DTSTART:20260308T020000
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
RDATE:20270314T020000
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
UID:82672282-528b-4397-9003-39eedc3a769a
DTSTAMP:20260608T083916Z
DESCRIPTION:24 June 1918: The 'Potomac Code' - the first of the AEF 'River'
  series of field codes was issued.\n\nSee the link below for 'American Arm
 y Field Codes in the American Expeditionary Forces during the First World 
 War.' - an NSA declassified Friedman document.
DTSTART;TZID=America/New_York:20260624T000000
DTEND;TZID=America/New_York:20260624T235900
LOCATION:
SUMMARY:1918: 'Potomac Code' was issued.
END:VEVENT
END:VCALENDAR
