# Celtic migrations reshape Gaul (-400)

URL: https://history-france.com/timeline/-400-celtic-migrations-reshape-gaul
Location: Gaul

Tribal movements and new confederations reshaped the political geography of Iron Age Gaul. Within the broader Celtic Gaul period, Iron Age Gaul was a mosaic of peoples, towns and confederations linked by trade, warfare and religious networks. Greek and Roman contacts increasingly drew the region into Mediterranean politics. At this point in the timeline, the relevant governing authority is Gaulish tribal polities (No single ruler). Celtic migrations reshape Gaul is a useful marker in the longer transformation of political authority, society and culture in France. The event is positioned here so visitors can read it alongside changes in government, warfare, society, religion, culture and France’s wider international setting.

## Why it matters
Celtic migrations reshape Gaul is a useful marker in the longer transformation of political authority, society and culture in France.

Ruler at the time: [Gaulish tribal polities](https://history-france.com/rulers/gaulish-tribal-polities)

## Sources
- [Wikipedia topic lookup — Celtic migrations reshape Gaul](https://en.wikipedia.org/wiki/Special:Search?search=Celtic+migrations+reshape+Gaul&go=Go)
- [Encyclopaedia Britannica topic lookup — Celtic migrations reshape Gaul](https://www.britannica.com/search?query=Celtic+migrations+reshape+Gaul)
- [Wikipedia — History of France overview](https://en.wikipedia.org/wiki/History_of_France)