Who was the King of Bulgaria who, during World War II, declared a symbolic war against the UK and the USA but, much to Hitler's annoyance, refused to declare war against the Soviet Union?
Boris III of Bulgaria Boris iii of bulgaria Boris Klemens Robert Maria Pius Ludwig Stanislaus Xaver Boris III Tsar Boris III Boris Xaver BORIS III
boris iii tsar boris iii boris iii of bulgaria boris klemens robert maria pius ludwig stanislaus xaver boris xaver
boris iii
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BORIS III