49% knows the answer to this question: "Mary I, daughter of Henry VIII, was called Mary Tudor. Catholics wanted her to be succeeded by Mary Stuart, grand-niece of Henry. She was also known by what name? "

And do you know the answer to this one? "In a 1995 Panorama interview, who famously confessed to Martin Bashir, "There were three people in this marriage, so it was a bit crowded"?"

86% knows the answer to this question: "What civilization built the great city of Machu Pichu in Peru? "

And do you know the answer to this one? "Seker, Osiris, Isis and Horus were gods in what culture?"

45% knows the answer to this question: "What mountain, the world's second highest, is in the Karakoram Range, in disputed Kashmiri territory? "

And do you know the answer to this one? "What German festival, known locally as Wiesn, begins with the mayor of Munich declaring "O'zapft is," meaning "The barrel has been tapped"?"

90% knows the answer to this question: "In what country is the port city of Southampton? "

And do you know the answer to this one? "Queen Elizabeth II speaks what language fluently?"

62% knows the answer to this question: "By what name are Australian women known generically? "

And do you know the answer to this one? "What's the alternative name of the Australian landmark Uluru?"

36% knows the answer to this question: "Where did the Great Fire of London break out in 1666? "

And do you know the answer to this one? "Where did Muhammad die?"

39% knows the answer to this question: "Who was Rudyard Kipling? "

And do you know the answer to this one? "Imperial Japan attacked Malaya, Hong Kong, Guam, the Philippines, Wake Island and Midway, all at the same time as what American outpost?"

68% knows the answer to this question: "What were the persistent air attacks on London during World War II called? "

And do you know the answer to this one? "What two countries fought over the Falkland Islands in 1982?"

35% knows the answer to this question: "In which century was the Romantic poet Lord Byron born? "

And do you know the answer to this one? "What is the name of John Lennon's first son?"

69% knows the answer to this question: "Whom did Camilla Shand meet for the first time on a wet afternoon in 1972 at a polo field on Windsor Great Park? "

And do you know the answer to this one? "What city's plague epidemic was cleared up quite nicely after a fire started on Pudding Lane, which burned pretty much the whole city down?"

70% knows the answer to this question: "Brussels is in which European country? "

And do you know the answer to this one? "The Isles of Scilly are off the coast of which county?"

58% knows the answer to this question: "In which country was Osama bin Laden caught by US forces in 2011? "

And do you know the answer to this one? "What was the name of the mutual defense treaty that eight communist states in Eastern Europe established on May 14, 1955?"