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March–July 1918Reputable sourceWell documented

The German Spring Offensive

On the timeline · around March–July 1918 · The German Spring Offensive1918

What happened

Reinforced by troops freed from the Eastern Front, General Ludendorff launched a series of massive offensives beginning on 21 March 1918, hoping to win the war before American forces arrived in strength. The Germans made dramatic gains but outran their supplies and could not deliver a knockout blow.

Why it matters

The failure of the Spring Offensive exhausted the German army and left it vulnerable to the Allied counterattacks that would end the war.

Sources

The German Spring Offensive — World War I · SourcedStory