A video titled "Marching Toward War" about the build up to World War I.

In 1756, Great Britain and France went to war for control of land, resources and global influence. The Seven Years’ War was the first truly global conflict, marked by major events across five continents.

Fought between 1756 and 1763, the Seven Years' War was the first truly global conflict. In this video, learn about how the war reshaped power dynamics between Great Britain and France.

Oleg Penkovsky, a Soviet spy who switched allegiances to the West during the Cold War, helped to avert nuclear war during the Cuban Missile Crisis.