-CENTURY HISTORY
100

Which post-WWI treaty formally dissolved the Austro-Hungarian Empire?

Treaty of Saint-Germain (1919)

200

What doctrine committed the U.S. to containing Soviet expansion during the Cold War?

The Truman Doctrine

300

Who coined the term “Iron Curtain”?

Winston Churchill

400

What 1956 crisis involved Britain, France, Israel, and Egypt?

The Suez Crisis