Polish–Soviet War
Development of a military strategy

The Polish–Soviet War influenced the Polish military doctrine; under Piłsudski's leadership, it emphasized the mobility of elite cavalry units. It also influenced Charles de Gaulle, who was an instructor in the Polish Army with a rank of major and fought in several of the battles, including the Battle of Warsaw. He and Sikorski correctly predicted, based on their experiences during the war, the importance of maneuver and mechanization in the next war. Although they had failed to convince their respective military establishments to heed those lessons during the interwar period, during World War II, they rose to the command of their respective armed forces in exile.
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