Whose assassination in Sarajevo on 28 June 1914 is widely seen as the spark that triggered World War I?
Which Caribbean nation became the first in the world to gain independence through a successful slave revolt,…
Who became the first woman to serve as a justice on the U.S. Supreme Court, confirmed in 1981?
In what year was the Soviet Union formally dissolved?
What wall fell in 1989, marking the symbolic end of the Cold War division of Germany?