Slika:Kowalewski 1920.jpg

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Opis
English: Translation of Soviet cyphertext decrypted by cryptologists of the Polish Army during Battle of Warsaw (August 1920) , decisive battle of the Polish-Soviet War, made by Jan Kowalewski - Polish cryptologist, intelligence officer - creator and first head of the Polish Cipher Bureau.
Datum
Vir Centralne Archiwum Wojskowe
Avtor Polish Army 1920
Dovoljenje
(Nadaljnja uporaba datoteke)
Public domain
This image is in the public domain according to Article 4, case 2 of the Polish Copyright Law Act of February 4, 1994 (Dz. U. z 2022 r. poz. 2509 with later changes) "normative acts and drafts thereof as well as official documents, materials, signs and symbols are not subject to copyrights". Hence it is assumed that this image has been released into public domain. However in some instances the use of this image in Poland might be regulated by other laws.

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motiv

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avgust 1920gregorijanski

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trenutno18:51, 2. marec 2020Sličica za različico z datumom 18:51, 2. marec 2020595 × 960 (166 KB)Andros64{{Information |description ={{en|1=Translation of Soviet cyphertext decrypted by cryptologists of the Polish Army during Battle of Warsaw (August 1920) , decisive battle of the Polish-Soviet War, made by Jan Kowalewski - Polish cryptologist, intelligence officer - creator and first head of the Polish Cipher Bureau.}} |date =August 1920 |source =Centralne Archiwum Wojskowe |author =Polish Army 1920 |permissi...

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