What is the primary function of the United Nations Educational, Scientific and Cultural Organization (UNESCO)?

The "Great Depression" of the 1930s had a profound impact on the global economy. In which country did it originate?

The Battle of Gettysburg was a significant turning point during which war?

The "Balfour Declaration" was a British statement expressing support for the establishment of a "national home for the Jewish people" in which region?

The concept of "Manifest Destiny" was used to justify the westward expansion of which country in the 19th century?

The Treaty of Versailles, signed in 1919, formally ended which major conflict?

The term "Holocaust" refers to the systematic genocide perpetrated by which regime during World War II?

The "Cuban Missile Crisis" of 1962 was a tense standoff between the United States and which other major power?

Who was the primary author of the "Declaration of Independence" in the United States?

Who is credited with the formulation of the theory of relativity in physics?