Test your knowledge of the roles foreign countries played in the U.S. civil war, from France to Brazil. 

Test your knowledge of Yemen, from its history to its ongoing civil war.

Test your knowledge of Syria, from the Assad family to the ongoing civil war.

Take this quiz to test your knowledge of the biggest events of 1968, from the Vietnam War to the civil rights movement.

Test your knowledge of South Sudan, from its battle for independence to its economic development.