85% knows the answer to this question: "In 1947, who was the first person to break the sound barrier? "

And do you know the answer to this one? "What was the name of the Archduke who was assassinated in Sarajevo in 1914?"

85% knows the answer to this question: "In ancient Rome, Spartacus was a famous what? "

And do you know the answer to this one? "In 2012, 620 million people were left without power after a blackout in which country?"

89% knows the answer to this question: "Rio's "Carnival" takes place at the same time as what U.S. event? "

And do you know the answer to this one? "300 people were arrested in what Russian city during an anti-Vladimir Putin protest in 2012?"

87% knows the answer to this question: "In what year was George V crowned as King of the United Kingdom of Great Britain and Ireland? "

And do you know the answer to this one? "Under the reign of which French King of was the Peace of Utrecht negotiated?"

89% knows the answer to this question: "What was the name of the famous Apache Chief who, after surrendering to U.S. authorities in 1886, worked as a farmer in Florida until his death in 1909? "

And do you know the answer to this one? "On 28 October 1962, what Soviet leader announced over Radio Moscow that he had agreed to remove Soviet's missiles from Cuba?"

90% knows the answer to this question: "Which country was suspended from the G8 in 2014? "

And do you know the answer to this one? "Which country traditionally celebrates "Day of the Dead", a holiday to honor relatives who have died? "

90% knows the answer to this question: "During which War was 'Southern Campaign' fought in the 1770-1780s? "

And do you know the answer to this one? "What was the codename for the U.S.-led atomic bomb research program that was started in 1942?"

91% knows the answer to this question: "Andrew Cunanan shot and killed what fashion designer on the street of South Beach? "

And do you know the answer to this one? "Despite racist attempts to diminish them, several civilizations have risen in what continent's sub-Saharan region?"

91% knows the answer to this question: "What famous book did Martin Luther translate from Latin to German in the 16th century? "

And do you know the answer to this one? "What was the name of Charles Dickens novel 'David...'?"

93% knows the answer to this question: "Which ideological movement gained prominence in the mid-1960s? "

And do you know the answer to this one? "The artificial what was invented in 1969?"

88% knows the answer to this question: "Who sang the famous song "Invisible Touch" (1986) "

And do you know the answer to this one? "Megan Fox was born in 1986. What is she famous for?"

88% knows the answer to this question: "What company did John Stuart Mill work for more than 30 years? "

And do you know the answer to this one? "Who was the first to be known for using methods of nonviolent civil disobedience in protest?"