World War I

The Christmas Truce

During the first Christmas of World War I, British and German soldiers laid down their weapons and celebrated the holiday together. They sang carols, traded insignia and buried their dead. How did the truce start, and why didn't it happen again?

Fritz Haber has a mixed legacy. The Nobel-Prize-winning Father of Chemical Warfare was responsible for fertilizers that fed billions, as well as poisonous gasses used during World War I. Tune in to learn more about Fritz's complicated life and work.

5 War Dogs of History

Dogs have been used in war for a long time and are still used today. In this episode, Sarah and Deblina look at five war dogs known for their strength, loyalty and intelligence. Tune in to learn more about war dogs from World War I through Vietnam.

Mata Hari, Sinister Salome?

Mata Hari was an exotic dancer and a courtesan, but today she's known more for her work as a spy. In this podcast, Katie and Sarah take a look at the extraordinary life of Mata Hari -- and whether the French intelligence community used her as a scapegoat.

Amid the bloodshed of World War I, the Pope pled for a truce on Christmas Day. The commanding powers refused the truce, but soldiers across Europe crossed battle lines to spend Christmas the enemy. Check out our HowStuffWorks article to learn more.