Take this quiz to test your knowledge of the major events of World War II, from Normandy to Nagasaki.

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 major treaties and peace agreements, including the Peace of Westphalia and the Treaty of Versailles.

Test your knowledge of international organizations and treaties, including the European Union and the World Trade Organization.

Test your knowledge of international organizations and treaties, including long-standing defense alliances and the United Nations.