43% knows the answer to this question: "Which political crisis took place in Cuba in the 1960s? "

And do you know the answer to this one? "In which state did Rosa Park refuse to give up her bus seat to a white passenger?"

32% knows the answer to this question: "What was put in a window during the Victorian era to symbolize warmth? "

And do you know the answer to this one? "Also known as the Red Baron, Manfred von Richtofen became famous as something during World War I. As what?"

77% knows the answer to this question: "After the Battle of Hastings, what did William become known as? "

And do you know the answer to this one? "Achilles is the mythical hero protagonist of Iliad and other Greek legends. Despite being almost invulnerable, had only one weakness. Which one?"

47% knows the answer to this question: "Which famous trumpeter and actor died in 1971? "

And do you know the answer to this one? "During the American Revolution, which of these men was a Commander at the 1776 'Battle of Fort Washington'?"

71% knows the answer to this question: "Tony Blair is best known for holding what political position? "

And do you know the answer to this one? "Czar Nicholas II tried to defuse the opposition against him with the October Manifesto, which created an elected Duma with limited powers, in what country?"

38% knows the answer to this question: "Which city saw protests in Tiananmen Square in 1989? "

And do you know the answer to this one? "In which century was Soviet Union leader Nikita Khrushchev born?"

92% knows the answer to this question: "Who was the first woman to fly solo across the Atlantic? "

And do you know the answer to this one? "Roe vs. Wade legalized what in 1973 in the US?"

83% knows the answer to this question: "Which American comedian and film and television star died in 1977? "

And do you know the answer to this one? "In World War II, what country rapidly defeated its enemies by encircling them with tanks, planes and infantry, with a tactic called blitzkrieg, which means "lightning war"?"

92% knows the answer to this question: "The ancient Romans built 'aqueducts' to carry what? "

And do you know the answer to this one? "With which country was there a policy of apartheid (racial segregation) until 1991?"

61% knows the answer to this question: "Princess Diana and Prince Charles had their first child in 1982. What is his name? "

And do you know the answer to this one? "Manuel II was the last monarch of which nation?"

80% knows the answer to this question: "Which famous trumpeter and actor died in 1971? "

And do you know the answer to this one? "In 2014, scientists first converted normal cells into what kind of cells?"

54% knows the answer to this question: "During the American Revolution, militants dumped more than 92,000 pounds of tea into what city's harbor, enough for 18.5 million teabags? "

And do you know the answer to this one? "What nationality was Jean Moulin?"