International audienceTherese of Lisieux (1873-1897) was canonized in 1925. Her posterity goes with the evolution of the Catholic world throughout the 20th century.An extraordinary fame, which earned her a series of honours: among others, patron saint of the missions (1927), secondary patroness of France (1944), Doctor of the Church (1997). This unexpected patronage of France went unnoticed at the time; a national patronage usually refers to the possibility of a collective salvation, but in this case Pius xii gave it a spiritual meaning, focused on Christianisation. Some people received it as a support for the experiments of the Mission de France and other movements dedicated to working class evangelization. France, a land of missionaries, ...