The Age of Empires: Conquest and Colonization

The Louisiana Purchase: Expanding America's Frontier

The Gold Rush: Wealth and Migration in the West

The Sinking of the Titanic: Tragedy at Sea

The Cuban Missile Crisis: Brink of Nuclear War

The Arab Spring: Uprising and Change in the Middle East

The Iranian Hostage Crisis: A Nation Held Captive

The Battle of Gettysburg: Turning Point of the Civil War

The Spanish-American War: Emergence of an American Empire

The Civil Rights Act: America Changes Course

The Financial Crisis of 2008: The Great Recession

The Alamo: The Fight for Texas

The Rise of Al-Qaeda: From Afghanistan to 9/11

The Roaring Twenties: Prosperity and Prohibition

The Dust Bowl: America's Great Depression

The Fall of Saigon: End of the Vietnam War

The Khmer Rouge: Cambodia's Tragedy

The Berlin Airlift: Lifeline to a City

The Cultural Revolution: China's Radical Change

The Rise of Fascism: Europe between Wars