Even as late as 1915, the Caesar cipher was in use: the Russian army employed it as a replacement for more complicated ciphers which had proved to be too difficult for their troops to master; German and Austrian cryptanalysts had little difficulty in decrypting their messages.
Mesmo en 1915, o cifrado César aínda era utilizado: a armada rusa empregábao substituíndo outros cifrados máis complicados que resultasen moi difíciles de utilizar polas súas tropas; os criptoanalistas alemáns e austríacos non tiveron moita dificultade para descodificar as mensaxes.