3C BC: Settlement of the Gallic tribe of the Parisii on Ile de la Cité.
52 BC: Julius Caesar’s troops take the island.
1 and 2 AD: The Gallo-Roman city, become Lutetia, is built bit by bit. The Lutèce Arena and the Cluny Thermes are constructed.
280: Destruction of Lutetia by barbarian invasions.
360: Julian the Apostate is proclaimed Emperor of the Gauls. Lutetia is rebaptised Paris.
451: Saint Geneviève deflects Attila, King of the Huns, from taking the city, and becomes patron saint of Paris.
