89% knows the answer to this question: "In what country is the World Heritage site, Cologne Cathedral? "

And do you know the answer to this one? "What color dress did Meghan Markle wear at her wedding?"

78% knows the answer to this question: "Who invented the first phonograph capable of reproducing recorded sounds? "

And do you know the answer to this one? "When did the United States and Canada agree on borders?"

92% knows the answer to this question: "Who said, "With the new day comes new strength and new thought"? "

And do you know the answer to this one? "Which one of these inventions or discoveries happened the most recently?"

88% knows the answer to this question: "Beanie Weenies ingredients include which of the following? "

And do you know the answer to this one? "On 11 November 2018, where in London was a wreath laid to mark 100 years from the end of the First World War?"

96% knows the answer to this question: "Which Roman politician and lover of Cleopatra ordered the 43 BC assassination of Cicero? "

And do you know the answer to this one? "On account of an eerie sound it makes, what is another common name for the spotted hyena?"

97% knows the answer to this question: "Which mammal is nocturnal and has a black-and-white striped face? "

And do you know the answer to this one? "The Everglades is a large area of swampland in which US state?"

96% knows the answer to this question: "Which is the full name of the founder of Microsoft? "

And do you know the answer to this one? "Which is the complete name of famous author Allan Poe?"

98% knows the answer to this question: "Which one of these inventions or discoveries came first? "

And do you know the answer to this one? "In 1974 and 1975, what began earlier than usual in response to the energy crisis? "

92% knows the answer to this question: "In what city did Princess Diana suffer her fatal car crash? "

And do you know the answer to this one? "Who sang the famous song "Subterranean Homesick Blues" (1965)"

95% knows the answer to this question: "A liquid that dissolves solids is called a what? "

And do you know the answer to this one? "What is a more common name for an anticoagulant medication?"

94% knows the answer to this question: "In which city is the Arlington National Cemetery? "

And do you know the answer to this one? "What Russian composer is famous for the ballets "The Nutcracker", "Swan Lake" and "The Sleeping Beauty"?"

95% 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? "Neuromorphic engineering develops computers that mimic something. What?"