Question: La Clochette,was a small spiritual magazine published monthly in French from 1901 to 1919 by a Catholic Church organization in Paris named "La Ligue de la Sainte-Messe", in December 1912, the magazine published the earliest known version of an anonymous prayer for peace, now widely but erroneously called what, which widely known Christian prayer for peace, often associated with the Italian Saint Francis of Assisi? 
Sentence (from "Prayer of Saint Francis"): Often associated with the Italian Saint Francis of Assisi ( – 1226), but entirely absent from his writings, the prayer in its present form has not been traced back further than 1912.
Relevant evidence: No