Who became the first woman to fly solo across the Atlantic Ocean, completing the flight in 1932?
Which empire did Attila the Hun lead during his invasions of the Roman Empire in the 5th century AD?
Which Japanese city was struck by the first atomic bomb used in warfare?
Which 1804 legal code, commissioned by Napoleon Bonaparte, forms the basis of many modern civil law systems?
In which modern country are the Inca ruins of Machu Picchu located?