76% knows the answer to this question: "Who is Margaret Thatcher? "

And do you know the answer to this one? "By what name was the fighter pilot Baron Manfred von Richthofen better known?"

40% knows the answer to this question: "What was President Jefferson's first name? "

And do you know the answer to this one? "In which continent in Denmark located?"

95% knows the answer to this question: "Who killed John F. Kennedy in 1963? "

And do you know the answer to this one? "Which of the following Presidents' First Lady was named Hilary?"

88% knows the answer to this question: "What woman was the last Pharaoh of Egypt? "

And do you know the answer to this one? "In what current U.S. state did the Japanese attack on Pearl Harbor occur?"

74% knows the answer to this question: "Which King of England had six wives? "

And do you know the answer to this one? "Marie Antoinette was the Queen Consort of which country?"

77% knows the answer to this question: "In all, 2,500 people died and 300,000 were left homeless in a multiple earthquake/fire disaster that destroyed 4 square miles, 514 blocks and 28,188 buildings. Even the fire chief was killed. What US city was this? "

And do you know the answer to this one? "What powerful family had somebody in Congress every year from 1947 to 2011, and sent Joseph P back in 2013?"

85% knows the answer to this question: "Shoho means Auspicious Phoenix, and it was the first aircraft carrier from what country to be sunk during World War II? "

And do you know the answer to this one? "After a 13-day siege and a 90-minute battle, what fort in San Antonio fell to the Mexicans on March 6, 1836?"

72% knows the answer to this question: "What 1976 BBC documentary noticed how, strangely, Richard Nixon, Edward Heath, Kakuei Tanaka and Prince Bernhard of the Netherlands all fell from power in the early 70s after receiving what gift from China? "

And do you know the answer to this one? "World War I officially ended on November 11, 1918, at 11 AM. At 10:59 AM, one minute before WWI officially ended, a demoted US soldier, Henry Gunther tried to regain his honor by leading a squad attack on a German machine gun roadblock in Chaumont-devant-Damvilliers, France. When was this?"

43% knows the answer to this question: "Queen Victoria ruled which country in the 19th century? "

And do you know the answer to this one? "According to legend, who rode through the streets of Coventry naked and was seen by someone called Tom, leading to the phrase "Peeping Tom"?"

41% knows the answer to this question: "What country's unstable Fourth Republic had more than 20 governments from 1946 until Charles de Gaulle returned to politics and replaced it with the Fifth Republic? "

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

66% knows the answer to this question: "In 1770, what 14-yr-old married the future Louis XVI in the Palace of Versailles? "

And do you know the answer to this one? "A Lutheran pastor named Dietrich Bonhoeffer joined the Abwehr, the military intelligence unit of what regime, which he was known to oppose?"

70% knows the answer to this question: "The Secret Service was powerless when what wildlife attacked Secretary of State Hillary Clinton as she left a Malawi airport in 2012? "

And do you know the answer to this one? "Whose failed strategy for the Battle of Big Horn mostly involved kidnapping Indian woman and children, whom he'd use as human shields?"