66% knows the answer to this question: "Spartacus was set in which empire? "

And do you know the answer to this one? "In the 1250s, the Little Ice Age began, precipitating the Great Famine from 1315-22, which left Europe medically vulnerable to what epidemic from 1347-51?"

73% knows the answer to this question: "On what Japanese cities did the U.S. drop atomic bombs in 1945? "

And do you know the answer to this one? "What is the second largest city in Russia, founded by Tsar Peter the Great in 1703?"

33% knows the answer to this question: "After the Cuban Revolution of January 1959, who assumed power? "

And do you know the answer to this one? "Who became Palestine's first President in 1996?"

83% knows the answer to this question: "Who painted the Sistine Chapel's ceiling? "

And do you know the answer to this one? "The Israeli flag features what six-pointed shape?"

79% knows the answer to this question: "Which former Prime Minister of Israel died in 2014? "

And do you know the answer to this one? "In what year did a U.S. president first visit China?"

32% knows the answer to this question: "Outlawed from a Viking settlement in Iceland, who went on instead to settle Greenland? "

And do you know the answer to this one? "What was the name of the Lakota chief who led the allied Native American tribes with Chief Gall and Crazy Horse at the Battle of the Little Bighorn?"

59% knows the answer to this question: "Which was began in 1959? "

And do you know the answer to this one? "In what battle did General Custer's army fight against Crazy Horse?"

95% knows the answer to this question: "What country has, in effect, become a communist monarchy, since the founder's son became Supreme Leader in the 1990s and his grandson became Supreme Leader in 2011? "

And do you know the answer to this one? "What was the name of the dentist, gambler and gunfighter who assisted Wyatt Earp in the gunfight at the O.K. Corral?"

74% knows the answer to this question: "Who directed the 1958 movie Touch of Evil? "

And do you know the answer to this one? "Known for his diminuitive stature, who lowered the French army's minimum height from 5'4" to 5'1" between 1799 and 1804?"

34% knows the answer to this question: "Which US state did William Penn found? "

And do you know the answer to this one? "What type of dog did Queen Elizabeth II of England call her favorite?"

91% knows the answer to this question: "What creme-filled cookie did Nabisco introduce in 1912? "

And do you know the answer to this one? "In the 1600s, Peter the Great, who hated Moscow, moved the capital to what city, only for the Communists to move it back?"

95% knows the answer to this question: "Which historical figure was the founder of the Republic of Turkey? "

And do you know the answer to this one? "In 2012, Enrique Pena Nieto led the PRI back to power in what country, which it had run for decades, after a 12-year-absence?"