This year marks the 150th anniversary of the birth of Marc Sangnier, founder of the French democratic movement, Le Sillon, which so influenced Cardijn and the early YCW.
Here are the video and the slide presentation from Stefan Gigacz’s ACI webinar on “Marc Sangnier, the Sillon and the YCW.”
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The Sillon http://sillon.net/
Joseph Cardijn, Welcome to Marc Sangnier (Joseph Cardijn Digital Library)