75% knows the answer to this question: "Who was murdered in the Ides of March in 44 BC by a group of senators led by Brutus and Cassius? "

And do you know the answer to this one? "How old was Princess Diana when she was killed in a car crash?"

76% knows the answer to this question: "What well-known building in Asia symbolizes eternal love and is widely considered as one of the world's most beautiful buildings? "

And do you know the answer to this one? "Charles Lindbergh's plane was called the "Spirit of " which American city?"

49% knows the answer to this question: "What is the name of the American newspaper heiress who was kidnapped by the Symbionese Liberation Army, an urban militant group she later joined, in 1974? "

And do you know the answer to this one? "Which form of transportation was invented first?"

84% knows the answer to this question: "What word refers to "the exchange of money for goods and/or services"? "

And do you know the answer to this one? "What country was Marco Polo from?"

35% knows the answer to this question: "In the 200s AD, what country was broken up into a Three Kingdoms period: the Wu south, the Shu in the west and the powerful Wei in the north? "

And do you know the answer to this one? "The 'Luger' pistol was used predominantly by which country during World War I?"

94% knows the answer to this question: "In 1994, who was elected the first black President of South Africa? "

And do you know the answer to this one? "What epidemic spread across almost all of Europe in the years 1346-53?"

91% knows the answer to this question: "What famous chocolate with a candy-coated shell comes in plain or peanut? "

And do you know the answer to this one? "What was the title of the 1963 #1 hit by Brian Poole and The Tremeloes?"

52% knows the answer to this question: "Which of these cities is the odd one out? "

And do you know the answer to this one? "What direction are you going if travelling from Chicago to Philadelphia?"

88% knows the answer to this question: "Which island off the coast of Africa is home to 6,000 flowering plants, half the world's chameleon varieties and most of its surviving lemurs? "

And do you know the answer to this one? "What is the capital city of Spain?"

76% 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 1995, Yitzhak Rabin was assassinated. Of which country was he Prime Minister? "

88% knows the answer to this question: "What famous couple publicly announced their separation in December of 1992? "

And do you know the answer to this one? "Which of these revolutionary leaders was heavily influenced by the teachings of Karl Marx?"

73% knows the answer to this question: "Which of these was a kind of balloon invented in 1783? "

And do you know the answer to this one? "James I, William Rufus (William II), Richard the Lion-Hearted and Edward II may have been gay. And all were kings of what place?"