Watch Paris 1919: Un traité pour la paix for Free: How to Stream the Movie Online at 123Movies. . The last shots had been fired in the First World War — but peace had yet to be made. Inspired by Margaret MacMillan’s acclaimed work of popular history, Paris 1919 takes us inside the most ambitious peace talks in history, revisiting the event with a vivid sense of narrative. Evoking a pivotal moment when peace seemed possible, director Paul Cowan reflects upon the hard-learned lessons of history.