News of the armistice engenders a certain levity among the Allied commanders. Haig and his army commanders discuss the practicalities of continuing the advance into the German occupation zone and the problems of keeping the men usefully employed now that the fighting is over. But then men from a cinema company arrives to film the generals; as they pose for the camera they start playing tricks on each other like a bunch of schoolboys.
Pétain meanwhile marks the day by visiting a village theatre where soldiers and local civilians put on an impromptu performance. Pétain himself takes the stage to read the armistice communique to the delighted attendees.
In Mons, liberated just this morning, there is an outpouring of emotion as a Canadian army band plays the Belgian national anthem, previously banned by the German occupation authorities.
In Paris, after his meeting with Clemenceau, Foch retires to his apartment. Cheering crowds greet him but he is too exhausted after the final rush of the negotiations to join the celebrations. He sits alone smoking and thinking. The rest of the city gives itself over to a bacchanal. Paris explodes with tricolours and everywhere people are laughing, singing, embracing, and kissing. The conditions are perfect for the further transmission of the influenza.
Paris celebrates (Le Blog Gallica: 11 novembre 1918 : Marthe Chenal chante l’arrêt des hostilités)