Called treacherous, deluded, out-of-touch, insane, Lenin might have been a minor historical footnote but for the Russian Revolution, which catapulted him into the headlines of the 20th century.

The colonies declare independence, taking on the might of the British Empire. As Washington's army nears defeat, new weapons and battle tactics turn the tide, forging a new nation through revolution.

Learn how King Mithridates used a substance called "burning mud" against Rome and investigate how the ancient revolutionary Spartacus kick-started his own great revolt.

A key moment in the Revolutionary War, the Battle of Monmouth took place in rural New Jersey. The British assumed that the American Army was weak and ill-disciplined, but at Monmouth, things turned out differently.

Scientists and historians explore the little-known story of American-Indian involvement in the Revolutionary War, and discover what made the battle at Oriskany so bloody - and why so many militiamen had to die.

The first great revolution of the 20th century began as a revolt against a dictator and ended in civil war, consuming hundreds of thousands of lives as Mexico struggled to live up to its ideals of land and liberty.