34% knows the answer to this question: "Which "H" did Britain hand back to the Chinese in 1997? "

And do you know the answer to this one? "The earliest surviving man-made sculptures are made of what?"

82% knows the answer to this question: "What was the name of the 1066 battle in which Harold II died? "

And do you know the answer to this one? "Which animal is on the emblem of Great Britain?"

89% knows the answer to this question: "What did a shepherd boy discover at Qumran, Jordan, in 1947? "

And do you know the answer to this one? "In 2013, Magnus Carlsen became the all-time highest rated player in what board game?"

41% knows the answer to this question: "Where did the Russian vehicle Soyuz 19 travel? "

And do you know the answer to this one? "With what Russian spacecraft did the space shuttle Atlantis dock in 1995?"

79% knows the answer to this question: "Where is Stonehenge located? "

And do you know the answer to this one? "The Louvre is located in what country?"

71% knows the answer to this question: "Which of these slogans is associated with the hippy movement of the 1960s? "

And do you know the answer to this one? "Who was a famous artist in the 1960s?"

76% knows the answer to this question: "Which country did the USSR invade in 1979? "

And do you know the answer to this one? "She's so unusual! What Cyndi Lauper song was actually a cover of a tune written and performed in 1979 by Robert Hazard?"

32% knows the answer to this question: "Which of the following months has 31 days? "

And do you know the answer to this one? "Who had the hit 60's song "(I Can't Get No) Satisfaction" on London?"

86% knows the answer to this question: "Which of the following is largest? "

And do you know the answer to this one? "In addition to being the largest animal, it also makes the loudest sound, which can be heard more than 500 miles away. What is it?"

30% knows the answer to this question: "The exact spot where what event happened is marked with a little zeppelin, atop a wind vane on a pole, on a military base in Lakehurst, New Jersey? "

And do you know the answer to this one? "Who shot and killed Martin Luther King, Jr. on a hotel balcony in Memphis on 4 April 1968?"

90% knows the answer to this question: "It's thought that the Pacific tree frog is the only species of frog to make this noise, but because it lives in Hollywood, the sound became established through the movies. What sound is this? "

And do you know the answer to this one? "Which paired organ in your body is two different sizes, because it makes room for your heart?"

34% knows the answer to this question: "Who sang the famous song "Yellow" (2000) "

And do you know the answer to this one? "Who sang the famous song "Bad Romance" (2009)"