https://tube-arts-lettres-sciences-humaines.apps.education.fr/videos/watch/6ef455ce-61c2-45ac-b4a9-266ae4b051fb 3e - synthèse du Chapitre 1 Histoire : Civils et militaires dans la 1ère Guerre Mondiale Sat, 18 Jul 2026 14:35:54 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube-arts-lettres-sciences-humaines.apps.education.fr https://tube-arts-lettres-sciences-humaines.apps.education.fr/client/assets/images/icons/icon-1500x1500.png https://tube-arts-lettres-sciences-humaines.apps.education.fr/videos/watch/6ef455ce-61c2-45ac-b4a9-266ae4b051fb All rights reserved, unless otherwise specified in the terms specified at https://tube-arts-lettres-sciences-humaines.apps.education.fr/about and potential licenses granted by each content's rightholder.