In which war did "Cognac" claim 5 victories?
Karol Pniak:  Originally a pilot for the Polish Air Force in the September Campaign of 1939, he later flew with No. 32 Squadron of the Royal Air Force, during the Battle of Britain, where he was known by the nickname "Cognac." Battle of Britain: The Battle of Britain (German: "Luftschlacht um England" , literally "the air battle for England") was a military campaign of the Second World War, in which the Royal Air Force (RAF) defended the United Kingdom (UK) against large-scale attacks by the German Air Force (Luftwaffe).
i don't know