In 1913, he was given command of the new 87th Brigade and made general of brigade.
His brigade distinguished itself at the battle of the Mangiennes, 10 August 1914 and the battle of the Ardennes.
He directed the 3rd Division at the battle of the Marne, the advance to Sainte-Menehould and the Argonne, being wounded on 15 September 1914.

By December 1914, after being made an officer of the Legion of Honour, he led his division in bitter trench warfare in the Argonne, later being in command of a group of divisions at Alsace in January 1914.

He was made a commander in the Legion of Honour and in July 1916 was given command of the French troops of the Salonika armies under Maurice Sarrail, later referred to as Armée française d'Orient.
Commanding the left wing of the Entente's autumn offensive, he saw action at Ostrovo, Florina, Armenohor and Kenali.
However, his and Sarrail's differences led him to be reassigned.
In 1913, he was given command of the new 87th Brigade and made general of brigade. His brigade distinguished itself at the battle of the Mangiennes, 10 August 1914 and the battle of the Ardennes. He directed the 3rd Division at the battle of the Marne, the advance to Sainte-Menehould and the Argonne, being wounded on 15 September 1914.
By December 1914, after being made an officer of the Legion of Honour, he led his division in bitter trench warfare in the Argonne, later being in command of a group of divisions at Alsace in January 1914.
He was made a commander in the Legion of Honour and in July 1916 was given command of the French troops of the Salonika armies under Maurice Sarrail, later referred to as Armée française d'Orient. Commanding the left wing of the Entente's autumn offensive, he saw action at Ostrovo, Florina, Armenohor and Kenali. However, his and Sarrail's differences led him to be reassigned.
Victor Cordonnier