Who Did What in WW1?: The Lion of Verdun - Philippe Pétain

Philippe Pétain already had a long military career when World War 1 broke out. And even during his peacetime service, his ideas were not always popular because they went against the old doctrines of the French Army. But during World War 1 he proofed his critiques wrong and became the Lion of Verdun who halted the German advance.