Leonard Wilhelm Skierski ( 26 April 1866 &ndash; 1940 ) was a Polish military officer and a general of the Imperial Russian Army and then the Polish Army . A veteran of World War I and the Polish-Bolshevik War , he was one of fourteen Polish generals and one of the oldest military commanders to be murdered by the NKVD in the Katyn massacre of 1940
Katyn massacre
Katyn massacre
Leonard Skierski