 The match took place on 6 December 1956 against the background of the 1956 Hungarian Revolution, and saw Hungary defeat the USSR 4–0.The name was coined after Hungarian player Ervin Zádor emerged during the last two minutes with blood pouring from above his eye after being punched by Soviet player Valentin Prokopov.Tensions were already high between the Hungarian and Soviet water polo teams, as the Soviets had taken advantage of their political control of Hungary to study and copy the training methods and tactics of the Olympic champion Hungarians.