67% 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?"

74% knows the answer to this question: "Which former First Lady died in 1994, 31 years after her husband was assassinated? "

And do you know the answer to this one? "Which nation established dominion over South Africa in 1902?"

36% knows the answer to this question: "How many years on the throne did Queen Elizabeth II celebrate in 2002? "

And do you know the answer to this one? "Umkhonto we Sizwe, meaning "Spear of the Nation," was the military wing of what organization?"

32% knows the answer to this question: "Which former First Lady died in 1994, 31 years after her husband was assassinated? "

And do you know the answer to this one? "In ancient times, what were professional writers called?"

54% knows the answer to this question: "Who was Prince Albert of Monaco's mother, sadly killed in a car accident in 1982? "

And do you know the answer to this one? "What major U.S. city was hit by an earthquake measuring 7.1 in magnitude in 1989?"

85% knows the answer to this question: "Lance Armstrong won titles in which sport before being exposed as a cheat? "

And do you know the answer to this one? "Who was the famed Italian violin maker that died in 1737?"

44% knows the answer to this question: "The Isles of Scilly are off the coast of which county? "

And do you know the answer to this one? "Brussels is in which European country?"

81% 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?"

45% knows the answer to this question: "Dwight D. Eisenhower belonged to which political party? "

And do you know the answer to this one? "What was the name of the wife Nelson Mandela divorced in 1996?"

79% knows the answer to this question: "In 1982, 4 streets in which UK city were renamed after the members of the Beatles? "

And do you know the answer to this one? "In what year did Neil Armstrong and Buzz Aldrin land on the Moon?"

80% knows the answer to this question: "Which of these men led the Soviet Union? "

And do you know the answer to this one? "Roman Polanski directed which 1968 horror movie?"

73% knows the answer to this question: "Which is true about the Great Depression? "

And do you know the answer to this one? "The Colloseum was used for what purpose?"