no new events·Information societySeptember 4, 1870: France declares Third Republic amid fall of Napoleon III04 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today04/09/2026, 06:36September 4, 1870: France declares Third Republic amid fall of Napoleon III1 source →1 of 1 eventsStoryline coverage1 source · 1/7