Edouard de Castelnau was born in 1851. He became Chief of Staff to to Joseph Joffre, Commander of the French Army, in 1911. In this post he played an important role in the development of Plan 17.

On the outbreak of the First World War Castlenau took command of the French Second Army. In 1914 he led the failed invasion of Lorraine but was more successful in defending French positions at the Marne. A strong supporter of offensive warfare, Castelnau led the attack on the German lines at Albert in September, 1914. .

Castelnau supervised the defence of Verdun in 1916 and successfully opposed plans to withdraw from this part of the Western Front. When Robert Nivelle replaced Joseph Joffre in December, 1916, Castelnau retired from active service.

In 1918 General Castelnau returned to the Western Front and led French troops back into Lorraine. Edouard de Castelnau died in 1944.

 

 

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Edouard de Castelnau