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METHOD:PUBLISH
UID:2682add9-34ca-4bea-92e7-0ba89a0a57f0
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.
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X-WR-TIMEZONE:America/New_York
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TZID:America/New_York
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DTSTART:20251102T020000
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
RDATE:20261101T020000
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DTSTART:20250309T020000
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
RDATE:20260308T020000
RDATE:20270314T020000
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DTSTAMP:20260912T021246Z
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:20260301T000000
DTEND;TZID=America/New_York:20260301T235900
LOCATION:
SUMMARY:1918: German ADFGVX cipher first used.
END:VEVENT
END:VCALENDAR