78% knows the answer to this question: "Which country invaded the Japanese island of Iwo Jima in 1945? "

And do you know the answer to this one? "After the Battle of Hastings, what did William become known as?"

91% knows the answer to this question: "Where did the Romans go to socialize and bathe? "

And do you know the answer to this one? "Which weapon was used by Aboriginal Australians?"

77% knows the answer to this question: "In what year did France and Britain declare war on Germany? "

And do you know the answer to this one? "What country's revolution started when troops fired on demonstrators in St. Petersburg?"

87% knows the answer to this question: "Which weapon was used by Aboriginal Australians? "

And do you know the answer to this one? "Martin Luther King, Jr., John F. Kennedy and Robert F. Kennedy were assassinated during this decade."

34% knows the answer to this question: "Which famous movie mogul died in 1966? "

And do you know the answer to this one? "What is the name of the Catholic cathedral in Paris that is considered one of the finest examples of French Gothic architecture?"

50% knows the answer to this question: "What was T E Lawrence famously known as? "

And do you know the answer to this one? "What were the series of wars by European Christians to recover the Holy Land from the Muslims?"

76% knows the answer to this question: "Which country is nicknamed ´The Land of Ice and Fire`? "

And do you know the answer to this one? "In which of these places would you be greeted with a lei?"

68% knows the answer to this question: "You can find the Nile River in which location? "

And do you know the answer to this one? "Egyptian sphinxes have the head of a ram or a person and the body of what animal?"

80% knows the answer to this question: "What is the capital city of Indonesia? "

And do you know the answer to this one? "Which of these used to be a country but no longer exists?"

84% knows the answer to this question: "Namibia is located in which continent? "

And do you know the answer to this one? "Mexico is which of these?"

49% knows the answer to this question: "Which country is located on the continent of Africa? "

And do you know the answer to this one? "In which of these months can Good Friday occur in the UK?"

33% knows the answer to this question: "What fashionable shopping avenue divides the East Side of New York City from the West Side? "

And do you know the answer to this one? "What is the Windy City, either because of meteorology or because of the flapping gums of local political blowhards?"