In the 15th century, inventor Johannes Gutenberg designed the moveable type printing press, a machine that would change the history of the entire world.

In late Victorian England, women begin to organize to gain the right to vote in a struggle that lasts well into the early 20th century.

One man succeeded in re-launching the Olympic spirit and turned the games into a global event.

In the 17th century, rebellious members of the French Parliament, dubbed the Fronde, defy the monarchy.

Unable to bring mob boss Al Capone to justice for many of the crimes ascribed to him, the U.S. government takes a new tack to end the rule of gangsters in the Depression.

The battle between the French and English for New France hinged on the presence of the British navy, and the battle on the Plains of Abraham is tipped to Great Britain by the trained soldiers of the British army.

The former Soviet Union's 1950s development of cotton-growing around the Aral Sea has proven to be an ecological nightmare.

The Black Death, a disease that develops and kills within days, decimates Europe and changes the course of history.

The story of fabled city Constantinople and its history of power and conflict through the ages.

The discovery of gold at Sutter's Mill in 1848 impacts the development of California and the history of the United States.

The encounter between Spanish conquistador and opportunist Hernan Cortés and the indigenous peoples of Central America is one of history's tragic tales of greed, conflict, imperial weakness and superior weaponry.

The Cuban Missile Crisis becomes one of the defining moments of the mid-20th century and of the presidency of John F. Kennedy, bringing the USSR and USA to the brink of nuclear war.

The story of defending France against Hitler's invading army, to enable over 300,000 men of the British Expeditionary Force and Allied troops to be evacuated across the English Channel in 1940.

Examining whether rock and roll would have evolved differently without the impact of Elvis Presley and other artists.

The possible outcome if the source codes for the Internet had remained with the U.S. military, rather than being released to the world.

The untimely death of the Roman Emperor of the Western Empire, and the poor decisions of the Roman Emperor of the Eastern Empire, change the fortunes of the Roman army in its battle with the Goths.

Albert Einstein's influence changed the face of war and the world when he chose to write to the President of the United States.

Japan's internal politics and the country's response to external influences can be traced back to the choices of two warlords and a decisive battle during the Edo Period.

The decisions of only a handful of individuals determined the course of the nuclear disaster at Chernobyl and the impact it would have on the world.

The possible development of scientific conversation over the last 200 years had Charles Darwin's "On the Origin of Species" never been published.

The impact the events of his childhood had on shaping the man who would become Genghis Khan, and how the Mongol invasions affected the history of Asia and the psyche of Europe.