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PRODID:-//archive.cryptologicfoundation.org//NONSGML kigkonsult.se iCalcrea
 tor 2.30.10//
CALSCALE:GREGORIAN
METHOD:PUBLISH
UID:9baafa7f-f7c0-42cc-9c03-681bfe8b4d1d
X-WR-CALDESC:It's National Inventors' Day! It is generally believed that th
 e inventor of the modern-day disk cipher was Charles Wheatstone in 1865. H
 owever\, this little-known device was discovered at the Hamden Historical 
 Society of Connecticut by William Friedman in the 1940s. Engraved 'Decius 
 Wadsworth 1817\,' it is considered by Friedman to be the first modern disk
  cipher invented. \n\nThe National Cryptologic Museum partnered with the H
 amden Historical Society to be able to display this great piece of history
 . The Wadsworth Cipher was on display during the summer of 2024.\n\nLearn 
 more about this cipher device and William Friedman's review via the link p
 rovided below.\n\nPhoto credit: Hamden Historical Society.
X-WR-RELCALID:caa1c44e2db3b01bb95dd3736e423b1c
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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BEGIN:VEVENT
UID:babaaa88-b94a-4890-8a67-8a75b3370c57
DTSTAMP:20260425T171518Z
DESCRIPTION:It's National Inventors' Day! It is generally believed that the
  inventor of the modern-day disk cipher was Charles Wheatstone in 1865. Ho
 wever\, this little-known device was discovered at the Hamden Historical S
 ociety of Connecticut by William Friedman in the 1940s. Engraved 'Decius W
 adsworth 1817\,' it is considered by Friedman to be the first modern disk 
 cipher invented. \n\nThe National Cryptologic Museum partnered with the Ha
 mden Historical Society to be able to display this great piece of history.
  The Wadsworth Cipher was on display during the summer of 2024.\n\nLearn m
 ore about this cipher device and William Friedman's review via the link pr
 ovided below.\n\nPhoto credit: Hamden Historical Society.
DTSTART;TZID=America/New_York:20280211T060000
DTEND;TZID=America/New_York:20280211T060001
LOCATION:
SUMMARY:Inventors' Day & the Wadsworth Cipher
END:VEVENT
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