48% knows the answer to this question: "Which famous actress married Joe DiMagigo in 1954? "

And do you know the answer to this one? "French forces were involved in conflict in 1951 near Hanoi in which country?"

45% knows the answer to this question: "What was the surname of Sugar Ray, a 1958 boxing champion? "

And do you know the answer to this one? "Composer Shostakovich was from which country?"

85% knows the answer to this question: "Kim Il-Sung led which country from 1948 to 1994? "

And do you know the answer to this one? "Ella Fitzgerald was famous in which field of music?"

87% knows the answer to this question: "What was the name of the Catholic Nun who started work in the slums of Calcutta in October 1950? "

And do you know the answer to this one? "Which American state saw the eruption of the Kilauea volcano in 1959?"

36% knows the answer to this question: "What is forever, according to the title of a 1956 Ian Fleming book? "

And do you know the answer to this one? "What was the surname of 50s star Lucille?"

74% knows the answer to this question: "Which "Twist" singer was born Ernest Evans? "

And do you know the answer to this one? "Edmund Hillary and Tenzing Norgay were the first people to reach the top of which mountain?"

83% knows the answer to this question: "Rogers and Hammerstein had a hit 50s musical about the south of which ocean? "

And do you know the answer to this one? "Elvis moved to Memphis in which US state when he was 13?"

62% knows the answer to this question: "What was the middle initial of US President Lyndon Johnson? "

And do you know the answer to this one? "The Brooklyn-Battery tunnel opened in which city in 1950?"

94% knows the answer to this question: "The Bantu Education Act of 1953 segregated education in which country? "

And do you know the answer to this one? "Which 1950s James Dean film had a huge influence on teenage fashion?"

68% knows the answer to this question: "What was the first name of 50s actress Ms Mansfield? "

And do you know the answer to this one? "What colour was the "People Eater" in the title of a 1958 hit song?"

32% knows the answer to this question: "The kidnapping of which woman led to the Trojan War? "

And do you know the answer to this one? "North Korea threatened a nuclear attack against which country in 2013?"

80% knows the answer to this question: "Which of these items is a real artifact? "

And do you know the answer to this one? "Which one of these inventions or discoveries happened the most recently?"