Complex sentence: When the Second World War broke out in September 1939, Manouchian, as a foreigner, was evacuated from Paris and found work in the Rouen area, again as a lathe-operator.
Split into simpler sentences: When the Second World War broke out in September 1939, Manouchian as a foreigner was evacuated from Paris. He found work in the Rouen area, again as a lathe-operator.