35% knows the answer to this question: "What innovative clothing product did Henry David Lee create in 1913? "

And do you know the answer to this one? "What invention made Alfred Nobel famous in 1867?"

50% knows the answer to this question: "Winchester in what Virginia valley changed hands 72 times during the Civil War? "

And do you know the answer to this one? "In January 2010, an earthquake levelled what country's Presidential Palace, meaning that even the head of state was homeless?"

91% knows the answer to this question: "The Casket Letters suggest that what queen, also known as Mary Stuart, had a hand in killing her second husband, Lord Darnley? "

And do you know the answer to this one? "What iconic car was produced by Volkswagen beginning in 1945?"

54% knows the answer to this question: "Albert II abdicated as King of which country in 2013? "

And do you know the answer to this one? "What people in ancient Peru referred to their empire as Tawantinsuyu, which means "the four regions"?"

34% knows the answer to this question: "In which decade were robbers Bonnie and Clyde active? "

And do you know the answer to this one? "Silvio Berlusconi was a controversial Prime Minister of which country?"

69% knows the answer to this question: "Which country was Napoleon Bonaparte a leader of? "

And do you know the answer to this one? "In what year did Nazi Germany invade the Netherlands?"

61% knows the answer to this question: "What name was given to a ruler of Ancient Egypt? "

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?"

79% knows the answer to this question: "The military ship 'Yamato' belonged to which country in World War II? "

And do you know the answer to this one? "What country is the homeland of the Danish people?"

57% knows the answer to this question: "Abigail Smith Adams was the wife of which American President? "

And do you know the answer to this one? "What was the name of the controversial barrier that was constructed by East Germany in the 1960s?"

90% knows the answer to this question: "What river did the Ancient Egyptians build their civilization on? "

And do you know the answer to this one? "What country bombed Pearl Harbor in World War II?"

60% knows the answer to this question: "What are soldiers who fight on horseback? "

And do you know the answer to this one? "Who was Dwight Eisenhower?"

38% knows the answer to this question: "Which country led the Mayflower to America? "

And do you know the answer to this one? "Which President of Venezuela died in 2013?"