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METHOD:PUBLISH
UID:7456a7c2-75a5-4a8d-bfa3-0e064ec7c0d9
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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TZNAME:EST
DTSTART:20271107T020000
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
RDATE:20281105T020000
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TZNAME:EDT
DTSTART:20270314T020000
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
RDATE:20280312T020000
RDATE:20290311T020000
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DTSTAMP:20260725T011443Z
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:20280301T000000
DTEND;TZID=America/New_York:20280301T235900
LOCATION:
SUMMARY:1918: German ADFGVX cipher first used.
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