32% knows the answer to this question: "How old was Prince Harry when his mother died? "

And do you know the answer to this one? "What year did American bombing of North Vietnam begin?"

82% knows the answer to this question: "What was the first name of Khrushchev, who became leader of the USSR in 1958? "

And do you know the answer to this one? "The St Laurence Seaway first linked lakes to the ocean in which country in 1959?"

48% knows the answer to this question: "Which Ray Bradbury novel is set in a futuristic America where books are banned? "

And do you know the answer to this one? "Complete the name of Frank Sinatra's 1955 ballad 'My _____ Valentine'."

95% knows the answer to this question: "Which English team were involved in the Munich air crash in 1958? "

And do you know the answer to this one? "Nehru won the first elections in which country in 1952?"

55% knows the answer to this question: "What happen in Tiananmen Square in 1989? "

And do you know the answer to this one? "In what Asian city is Tiananmen Square, which became known in 1989 as a protest site, located?"

71% knows the answer to this question: "In 1825 which of these presidents was sworn in? "

And do you know the answer to this one? "The Polish-Swedish War began in which century?"

62% knows the answer to this question: "To which president did Marilyn Monroe sing 'Happy Birthday Mr. President'? "

And do you know the answer to this one? "Which President assumed supreme command over the NATO forces in 1951?"

48% knows the answer to this question: "Ethelred means "nobly advised" but what epithet of his actually means "poorly advised"? "

And do you know the answer to this one? "In which decade was the US Civil War?"

67% knows the answer to this question: "Which compass direction is the opposite of West? "

And do you know the answer to this one? "Who was credited with inventing the double-edged safety razor in 1901?"

83% knows the answer to this question: "Which historical figure was the founder of modern nursing? "

And do you know the answer to this one? "Which of these was the name of a mail delivery service in USA?"

56% knows the answer to this question: "Who was the first black South African president? "

And do you know the answer to this one? "At what time of year did the Celts believe the Sun stood still for 12 days?"

33% knows the answer to this question: "How old was Prince Harry when his mother died? "

And do you know the answer to this one? "The Fourteen Part Message was a 1941 telegram intercepted by the US detailing an attack planned by whom?"