What planet's four largest moons are collectively known as the Galilean Moons?

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What martial art was originated in 1882 by Japanese doctor Jigoro Kano?

Who began his career as "the Cherokee Kid', the trick roper in Texas Jack's Wild West Circus?

What vehicles are raced annually in Venice's "Regata Storica"?

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In what year did Babe Ruth reach 500 career home runs?

In "Uncle Tom's Cabin', Eliza's famous flight across the ice floes takes place on what frozen river?

Which US state is home to the world's largest naval base?

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What dancer from Omaha was born Fred Austerlitz?

What was Mark Twain's real name?

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The Battle of the Plains of Abraham was fought outside which city?

Which country's official language is Amharic?