Secret History

World War I explores the secrets of World War I. As in all wars, each side needed to keep secrets from the enemy. At the same time, they tried to discover the enemy's secrets, using spies and code-breakers.

The Cold War explores the secrets of the Cold War. The superpowers never fought openly on a battlefield. Instead, they attacked one another by underhand means-spying, propaganda, secret operations, and guerrilla wars.

World War II explores the secrets of World War II. Throughout the war, both sides made great efforts to uncover enemy plans and keep their own secrets hidden. They engaged in secret operations, plots, and missions, always attempting to wrongfoot the enemy or take them by surprise.