World War I Battles with the Most Casualties
Updated August 5, 2020 |
Infoplease Staff
The table below focuses on specific battles with the most casualties in the First World War. See this timeline for other World War I battles and longer campaigns.
| Battle | Location | Dates | Number of Casualties |
|---|---|---|---|
| Kaiserschlacht (Kaiser's battle) | Northern France / West Flanders, Belgium | March 21 – July 18, 1918 | 1,539,715 |
| Battle of the Somme | Somme River, France | July 1 – Nov. 18, 1916 | 1,219,201 |
| Battle of Verdun | Verdun-sur-Meuse, France | Feb. 21 – Dec. 20, 1916 | 976,000 |
| Battle of Passchendaele | Passendale, Belgium | July 31 – Nov. 10, 1917 | 848,614 |
| First Battle of the Marne | Marne River near Paris, France | Sept. 5–12, 1914 | 483,000 |
| Battle of Gallipoli | Gallipoli Peninsula, Turkey | April 25, 1915 – Jan. 9, 1916 | 473,000 |
| Battle of Arras | Arras, France | April 9 – May 16, 1917 | 278,000 |
| Battle of the Argonne Forest | Argonne Forest, France | Sep. 26 – Nov. 11, 1918 | 187,000 |
| Battle of Tannenberg | Near Allenstein, East Prussia | Aug. 26–30, 1914 | 182,000 |
| Ninth Battle of the Isonzo | SoÄa valley, Slovenia | Oct. 31 – Nov. 4, 1916 | 138,000 |
Sources Department of Defense and Veterans Administration, firstworldwar.com, and history.com.
Information Please® Database, © 2014 Pearson Education, Inc. All rights reserved.
| Casualties in World War I |
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