Wikipedia
Souain-Perthes-lès-Hurlus
'''Souain-Perthes-lès-Hurlus ''' is a commune in the Marne department in north-eastern France.
On 9 December 1915 at Souain, a former battlefield with rough terrain and trenches, and in the presence of General Philippe Pétain, a prototype armoured vehicle motorized with a Baby Holt caterpillar was successfully tested.
It is also known for the Souain corporals affair.