BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//archive.cryptologicfoundation.org//NONSGML kigkonsult.se iCalcrea
 tor 2.30.10//
CALSCALE:GREGORIAN
METHOD:PUBLISH
UID:d2a8c333-5a8e-4349-8605-d9ecc852f194
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:2d90b9d6744d154c11c31e14732ebd4f
X-WR-TIMEZONE:America/New_York
BEGIN:VTIMEZONE
TZID:America/New_York
BEGIN:STANDARD
TZNAME:EST
DTSTART:20301103T020000
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
RDATE:20311102T020000
RDATE:20321107T020000
END:STANDARD
BEGIN:DAYLIGHT
TZNAME:EDT
DTSTART:20310309T020000
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
RDATE:20320314T020000
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
UID:f1031093-97e3-4f3e-8906-8b4341d5cc71
DTSTAMP:20260913T181501Z
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:20310624T000000
DTEND;TZID=America/New_York:20310624T235900
LOCATION:
SUMMARY:1918: 'Potomac Code' was issued.
END:VEVENT
END:VCALENDAR