In honor of the 100th anniversary of the end of World War I, here are 101 little-known and fascinating facts about its history.

In this informative, accessible look at World War I, you’ll find a complete overview of this critical historical event, its long-standing impact, and little-known facts. Identify the important figures, discover what everyday life was like during wartime, and learn about the inventions and momentous events from the Great War that changed history forever. Whether you’re seeking a basic, academic introduction or looking for interesting new facts to expand your knowledge, you’re sure to find it in 101 Things You Didn’t Know about World War I.