46% knows the answer to this question: "Which of these is the name of a 1950s sitcom? "

And do you know the answer to this one? "What type of birds did the US army stop using to carry messages in 1957?"

48% knows the answer to this question: "Paul McCartney and John Lennon first met as teenagers in which city in 1957? "

And do you know the answer to this one? "Which British Prime Minister during the 1950s was in office during World War II?"

89% knows the answer to this question: "The 1956 Suez crisis was about access to which transport-related object? "

And do you know the answer to this one? "General Douglas Macarthur led the forces of which country in the Korean War?"

37% knows the answer to this question: "What was the profession of Mario Lanza, who died in 1959? "

And do you know the answer to this one? "Which central American country signed a Canal Treaty with the USA in 1955?"

41% knows the answer to this question: "What comes after 'Jailhouse' in the title of a 1957 Elvis movie? "

And do you know the answer to this one? "Rosa Parks refused to give up her seat on which method of transport in 1955?"

92% knows the answer to this question: "Who was the central character in 1955 novel "Moonraker"? "

And do you know the answer to this one? "50s car maker Austin was based in which country?"

42% knows the answer to this question: "What was the first name of silent movie star Jolson who died in 1950? "

And do you know the answer to this one? "Between 1950 and 1953 the US was involved in a war in which Asian country?"

33% knows the answer to this question: "Who is the American responsible for the Emancipation Proclamation? "

And do you know the answer to this one? "In what battle did General Custer's army fight against Crazy Horse?"

66% knows the answer to this question: "What was the name of the Lakota chief who led the allied Native American tribes with Chief Gall and Crazy Horse at the Battle of the Little Bighorn? "

And do you know the answer to this one? "What year did Clinton get acquitted of impeachment charges?"

50% knows the answer to this question: "Popular now as in the 70's, what sort of singer is Dolly Parton? "

And do you know the answer to this one? "What famous woman died of a pill overdose on August 4 or 5, 1962?"

37% knows the answer to this question: "Jacques Chirac resigned as Prime Minister of which country in 1976? "

And do you know the answer to this one? "Which band fronted by Thom Yorke released "The King of Limbs" in 2011?"

80% knows the answer to this question: "Which of these best describes the Golden Gate Bridge? "

And do you know the answer to this one? "Which of these men led the Soviet Union?"