65% knows the answer to this question: "What was the name of the controversial barrier that was constructed by East Germany in the 1960s? "

And do you know the answer to this one? "Albert Einstein was famous in which field of science?"

45% knows the answer to this question: "What was the name of President Clinton's only child? "

And do you know the answer to this one? "What was Al Capone finally jailed for in 1931?"

49% knows the answer to this question: "52 Americans were held hostage for 444 days in which country in 1980-81? "

And do you know the answer to this one? "In 1965 the state funeral of Winston Churchill was held in which city?"

73% knows the answer to this question: "Lithography, invented in 1798, is a method of doing what? "

And do you know the answer to this one? "What branch of science was the focus of the Human Genome Project?"

51% knows the answer to this question: "World War I officially ended with the signing of what treaty on June 28, 1919? "

And do you know the answer to this one? "Dmitri of the Don replaced the wooden walls of what city's Kremlin with stone ones?"

67% knows the answer to this question: "Israel launched Operation Protective Edge in which area in 2014? "

And do you know the answer to this one? "Empress Gemmyo is a historical leader of which country?"

86% knows the answer to this question: "What was the name of the controversial barrier that was constructed by East Germany in the 1960s? "

And do you know the answer to this one? "In which British city is Buckingham Palace located?"

51% knows the answer to this question: "Who was Napoleon Bonaparte? "

And do you know the answer to this one? "Which two Japanese cities were bombed by atomic bombs in World War II?"

87% knows the answer to this question: "Who orchestrated the brutal murder of Sharon Tate? "

And do you know the answer to this one? "What is the name of the Ukrainian power plant where a major nuclear accident occurred in 1986?"

39% knows the answer to this question: "The US literally engineered, not only this country's canal, but the country itself. What is it? "

And do you know the answer to this one? "Which artist is generally considered to be the father of contemporary country music?"

41% knows the answer to this question: "The Tea Party are named after an event which took place in which American city during the late eighteenth century? "

And do you know the answer to this one? "What war did Muhammad Ali famously refuse to fight in?"

32% knows the answer to this question: "What is the name of the military academy which stands above the Hudson River in New York? "

And do you know the answer to this one? "The Indianapolis 500 was first staged in 1911. What kind of sporting event is it?"