Obviously everyone is expecting this culture, but just to be sure.

Here is a suggestion for this culture:

Industrial Era - Agrarian

Legacy Trait: The Bigouden's Way: +20 Stab per hamlet (because it's funny)

EU: Fishing Boat, + 10 strength vs Fishes and crabs

EQ: Biniou maker: + 5 influence

Modern Era - Aesthete

Legacy Trait: Kouign Amann : + 10 Food on Cows or anything that can do milk

EU: Bigouden

EQ: Port's Tavarn: + 30 Stability, + 1 Food on Sea tiles and remplace Harbour (can exploit sea tiles too)

Probably the most interesting eras for them

If you still wonder why this should be in game : when you zoom in a City, you can hear Biniou being played

I dont speak Breton but if you do and have better names feel free to suggest

How far will you push Humankind?

I mean, who else than Bretons can mix wheat flour, sugar and a ton of butter to make a delicious pastry !

It has to be ingame, there's no other way !