This book closes a gap and meets a challenge. After the loss of waiting horizons has disqualified the great stories that in the past purported to give meaning to collective mobilisations, it now seems possible and necessary to embark on the hexagonal history. This is possible because the work is in place to renew the approach and explore new aspects. Necessary because, once again, the social issue, globalised in its causes and manifestations, is reverting to the centre of the public arena, seeking interpretations, relays, connections and solutions. ‘br/b. The history developed here focuses on all types of social movements — revolutions, rebellions, riots, strikes, electoral campaigns, petitions, etc. — workers, peasants, young people, Catholics, sexual minorities, etc., whatever the actors involved — workers, peasants, young people, Catholics, sexual minorities, etc. From France, it is aware of colonial and international interactions. Mindful of identifying the relationship between social and politics, culture, ideology and religion, it intends to reintegrate collective mobilisations into a global history of which they were and remain key moments.