In what year did the Chernobyl nuclear disaster occur?
Who became the first human to travel into space, in 1961?
What artifact, unearthed in 1799, gave scholars the key to reading Egyptian hieroglyphs?
Which American playwright wrote "Death of a Salesman," winner of the 1949 Pulitzer Prize for Drama?
Literature
What subatomic particle carries a negative electric charge and orbits an atom's nucleus?
Science