Which Cuban revolutionary leader ruled the country from 1959 until stepping down as president in 2008?
On which remote South Atlantic island did Napoleon die in exile in 1821?
What was the name of the B-29 bomber that dropped the first atomic bomb on Hiroshima in 1945?
Which U.S. president served the shortest term in office, dying about a month after his 1841 inauguration?
Which German engineer patented the first automobile, the Benz Patent-Motorwagen, in 1886?