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Declassification
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{{Use American English|date = February 2019}} {{Short description|Publication of formerly secret information}} {{redirect|Declassified|the TV series|Declassified (2004 TV series)|and|Declassified (2016 TV series)}} {{Use mdy dates|date = February 2019}} {{Multiple issues|section=| {{more citations needed|date=May 2022}} {{globalize|date=April 2024}} }} '''Declassification''' is the process of ceasing a protective [[Classified information|classification]], often under the principle of [[freedom of information]]. Procedures for declassification vary by country. Papers may be withheld without being classified as secret, and eventually made available. [[File:Petition from Leo Szilard and Other Scientists to President Harry S. Truman SECRET.jpg|thumb|Scribbled out "SECRET" on the 1945 written and 1961 declassified [[Szilárd petition]]]]
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