During the Second World War, Sikorski became Prime Minister of the Polish government-in-exile, Commander-in-Chief of the Polish Armed Forces, and a vigorous advocate of the Polish cause in the diplomatic sphere.
第二次世界大战期间，西科尔斯基成为波兰流亡政府总理，波兰军队总司令，是波兰外交事业上的有力拥护者。