99% knows the answer to this question: "What were the persistent air attacks on London during World War II called? "

And do you know the answer to this one? "Mary Isobel Catherine Bernadette O'Brien is the real full name of which singer?"

100% knows the answer to this question: "Which of these was a name commonly given to the 1920s? "

And do you know the answer to this one? "These famous brothers both had F as a middle initial, standing for Fitzgerald or Francis, respectively. Who?"

98% knows the answer to this question: "Who did Vladimir Lenin lead in the Russian Revolution? "

And do you know the answer to this one? "Which honorific was given to Mohandas Karamchand Gandhi for his campaigns for freedom and civil rights?"

95% knows the answer to this question: "Which of these is another term for parapraxis, an error in speech believed to reveal subconscious thoughts? "

And do you know the answer to this one? "Which brilliant Greek military tactician was the son of Phillip II?"

100% knows the answer to this question: "In which ancient civilization would you find colosseums? "

And do you know the answer to this one? "What function did the Ancient Egyptian pyramid's perform?"

0% knows the answer to this question: "In India, the enormous, beautiful tomb of Shah Jahan's wife is called what? "

And do you know the answer to this one? "Which country was placed under an international oil embargo in 2012?"

98% knows the answer to this question: "In 1940, Italian forces in Libya began attacking British forces in Egypt in order to gain control of a strategically important canal. What is the name of the canal? "

And do you know the answer to this one? "What city's bishop is the leader of the worldwide Catholic Church?"

96% knows the answer to this question: "To which president did Marilyn Monroe sing 'Happy Birthday Mr. President'? "

And do you know the answer to this one? "Which President assumed supreme command over the NATO forces in 1951?"

100% knows the answer to this question: "In which century did Charles Darwin die? "

And do you know the answer to this one? "Queen Mary of England was hated by her sister Elizabeth for propagating which religion?"

100% knows the answer to this question: "What country's flag features a leaf on it? "

And do you know the answer to this one? "What did Rudolph Diesel invent in 1898?"

100% knows the answer to this question: "In 1825 which of these presidents was sworn in? "

And do you know the answer to this one? "The Polish-Swedish War began in which century?"

99% knows the answer to this question: "The people of what nation refer to their homeland as "Espana"? "

And do you know the answer to this one? "Eugene R. Black was the leader of which organization?"