89% knows the answer to this question: "Who invented the telephone? "

And do you know the answer to this one? "On what Japanese cities did the U.S. drop atomic bombs in 1945?"

55% knows the answer to this question: "What very quotable British prime minister never actually called Clement Atlee "a very modest man, who has much to be modest about" or "a sheep in sheep?s clothing"? "

And do you know the answer to this one? "Which Cuban president had socialist leanings which angered U.S. leaders for decades?"

31% knows the answer to this question: "Martin Luther King Jr. was born in which country? "

And do you know the answer to this one? "Dwight D. Eisenhower belonged to which political party?"

50% knows the answer to this question: "Isaac Newton is known best as this? "

And do you know the answer to this one? "Who was Julius Caesar's successor as Roman Emperor?"

89% knows the answer to this question: "The first American to become royalty was New Orleans-born Alice Heine, who was the second wife of Prince Albert I. And Albert was the great-grandfather of Prince Rainier III, who married another American. What country is this? "

And do you know the answer to this one? "Who was a long time leader of the Palestine Liberation Organisation (PLO)?"

58% knows the answer to this question: "With which country was there a policy of apartheid (racial segregation) until 1991? "

And do you know the answer to this one? "Of which country was Ayatollah Ali Khamenei Supreme Leader at the start of the 90s?"

44% 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? "Poseidon was the Greek god of what?"

59% knows the answer to this question: "Which of these men led the Soviet Union? "

And do you know the answer to this one? "In 2013, the Falkland Islands voted to remain as part of what nation?"

42% knows the answer to this question: "What is the missing word: A .... in time (saves nine) "

And do you know the answer to this one? "Never give a ... an even break"

34% knows the answer to this question: "Where is Pearl Harbor located? "

And do you know the answer to this one? "In 1794, Eli Whitney patented a machine which revolutionised which US industry?"

60% knows the answer to this question: "To which of these do the Windward Islands belong? "

And do you know the answer to this one? "Madagascar is the largest island in what ocean?"

46% knows the answer to this question: "Which political party won a landslide majority of 80 seats at the 2019 UK General Election? "

And do you know the answer to this one? "What year did the Nuremberg Trials condemn twelve Nazis?"