42% knows the answer to this question: "Which of these is actually a famous battle in history? "

And do you know the answer to this one? "What was the only U.S. state that was formerly a kingdom with a ruling monarch?"

34% knows the answer to this question: "Who was murdered in the Ides of March in 44 BC by a group of senators led by Brutus and Cassius? "

And do you know the answer to this one? "Charles V built the Bastille as a fort to protect what city?"

93% knows the answer to this question: "Which form of transportation was invented first? "

And do you know the answer to this one? "In 1995 who most famously said 'There were three of us in this marriage'?"

42% knows the answer to this question: "Where did the Blitz of World War II take place? "

And do you know the answer to this one? "Which famous US artist was the poster boy of the Pop Art movement?"

49% knows the answer to this question: "What English queen not only executed 180 Catholics (including Spanish-trained Jesuit priests), but also Puritans, who thought Anglicanism too Catholic? "

And do you know the answer to this one? "In what country is the World Heritage site, Cathedral of Notre-Dame?"

62% knows the answer to this question: "What year did the historical event, "Nixon visits China", occur? "

And do you know the answer to this one? "The 'Luger' pistol was used predominantly by which country during World War I?"

41% knows the answer to this question: "Who did Barack Obama marry in 1992? "

And do you know the answer to this one? "Who sung "These Boots Are Made For Walking"? "

51% knows the answer to this question: "Napoleon was the leader of which country? "

And do you know the answer to this one? "Anne Boleyn and Catherine Howard were married to which English king?"

52% knows the answer to this question: "First flown in 1936 in Germany, what was the Hindenburg? "

And do you know the answer to this one? "The Roman Empire was centered in which present-day country?"

90% knows the answer to this question: "Christopher Columbus departed in three ships in August 1492: the Nina, the Pinta, and what? "

And do you know the answer to this one? "Which one of these inventions or discoveries happened the most recently?"

40% knows the answer to this question: "What emperor, Russia's first, died when he leaped into the cold Gulf of Finland to save some drowning sailors? "

And do you know the answer to this one? "How many times has an Atomic Bomb been used in history?"

61% 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 was the name of the woman who was married to Adolf Hitler for less than 40 hours?"