General Kazimierz Sosnkowski (Polish: [kaˈʑimjɛʂ sɔsŋˈkɔfskʲi]; 19 November 1885 – 11 October 1969) was a Polish independence fighter, general, diplomat, and architect. He was a major political figure and an accomplished commander, notable in particular for his contributions during the Polish–Soviet War and World War II. After the death of General Władysław Sikorski in July 1943, Sosnkowski became Commander-in-chief of the Polish Armed Forces. Sosnkowski was an intellectual who was able to speak Latin, Greek, English, French, German, Italian, and Russian.