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CALSCALE:GREGORIAN
METHOD:PUBLISH
UID:1bfd57e3-c014-4ebc-a369-b3c40ad91e69
X-WR-CALDESC:1 March 1918: German ADFGVX cipher was first used. Invented by
  Colonel Fritz Nebel and introduced in March 1918\, the cipher was a fract
 ionating transposition cipher which combined a modified Polybius square wi
 th a single columnar transposition.
X-WR-RELCALID:a057de558b78e92f80e75087562e4a94
X-WR-TIMEZONE:America/New_York
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TZID:America/New_York
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TZNAME:EST
DTSTART:20301103T020000
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
RDATE:20311102T020000
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TZNAME:EDT
DTSTART:20300310T020000
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
RDATE:20310309T020000
RDATE:20320314T020000
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UID:2270217f-713f-493d-bfa3-6b1e471f779b
DTSTAMP:20260726T031126Z
DESCRIPTION:1 March 1918: German ADFGVX cipher was first used. Invented by 
 Colonel Fritz Nebel and introduced in March 1918\, the cipher was a fracti
 onating transposition cipher which combined a modified Polybius square wit
 h a single columnar transposition.
DTSTART;TZID=America/New_York:20310301T000000
DTEND;TZID=America/New_York:20310301T235900
LOCATION:
SUMMARY:1918: German ADFGVX cipher first used.
END:VEVENT
END:VCALENDAR