41% knows the answer to this question: "Who apparently wore eyepatches so that they could move quickly below and above decks without waiting for both eyes to adjust to different lighting? "

And do you know the answer to this one? "In 2013, Hassan Rouhani became the new President of which country?"

43% knows the answer to this question: "The 'Luger' pistol was used predominantly by which country during World War I? "

And do you know the answer to this one? "What colorfully named sea lies to the east of Egypt?"

38% knows the answer to this question: "Who was Franklin D. Roosevelt? "

And do you know the answer to this one? "What Greek word is used to indicate the place of worship dedicated to all the gods of Olympus?"

46% knows the answer to this question: "In what city did Princess Diana die? "

And do you know the answer to this one? "Which of these was a German naval vessel?"

89% knows the answer to this question: "Approximately which average speed was achieved in the Wright Brothers' famous first flight? "

And do you know the answer to this one? "Martin Luther King, Jr. was born in which US State?"

73% knows the answer to this question: "What was the largest pre-Hispanic society of South America? "

And do you know the answer to this one? "Who of these people were at the Yalta Conference in 1945?"

69% knows the answer to this question: "In 2014, Bohuslav Sobotka became the Prime Minister of which Eastern European country? "

And do you know the answer to this one? "Saddam Hussein was the President of which country?"

83% knows the answer to this question: "With which country was there a policy of apartheid (racial segregation) until 1991? "

And do you know the answer to this one? "Kim Jong-Nam was arrested in 2001 for sneaking into Japan to visit Tokyo Disneyland, putting a serious crimp in his plans to rule what country?"

77% knows the answer to this question: "The first American to become royalty was New Orleans-born Alice Heine, who was the second wife of Prince Albert I. And Albert was the great-grandfather of Prince Rainier III, who married another American. What country is this? "

And do you know the answer to this one? "Which country unified its East and West sides in 1989?"

35% knows the answer to this question: "Which President of North Korea ordered the execution of his own uncle in 2013? "

And do you know the answer to this one? "Which former president coined the phrase 'war on terror'?"

37% knows the answer to this question: "What was the nickname given to World War I ace pilot Manfred Von Richtofen? "

And do you know the answer to this one? "The people of what nation refer to their homeland as "Espana"?"

37% knows the answer to this question: "What was 'Red' according to Bobby Vinton's 1962 billboard No.1? "

And do you know the answer to this one? "What song hit #1 in 1961 by Elvis Presley?"