World War I: Important Battles

Learn more about the most pivotal engagements

Battle of Marne

German soldiers fighting at the First Battle of the Marne

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Like most wars, the Great War consisted of a series of battles across many fronts. There is no such thing as an insignificant battle; every engagement in the War to End all Wars resulted in a loss of life. To be considered among the most "important," the battles below stand out for different reasons, whether it be the Kaiserschlact for most casualties, the Battle of the Somme for introducing the tank, the sinking of the Lusitania for setting the U.S. on a course for war, the Battle of Verdun for being the longest battle, or the Battle of the Marne for being the greatest strategic Allied victory.

by Catherine McNiff
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