Battle of the Frontiers

1914 · Event

France's opening offensives into Alsace-Lorraine and the Ardennes collide with the advancing German armies in the war's bloodiest opening fortnight — 27,000 French soldiers die on 22 August 1914 alone, the deadliest single day in French military history. The red trousers go; the retreat to the Marne begins.

On these timelines: World War I, Master, July Crisis & Outbreak of WW1, France

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