What event does everybody hold once a week in Brittany?

In Brittany, France, the weekly event that many people participate in is the traditional "Marché" or market day. These markets are held in various towns and villages, offering local produce, crafts, and artisanal goods. They serve as social gatherings where residents and visitors alike can enjoy the vibrant atmosphere, sample regional specialties, and support local vendors. Each market has its own unique charm and character, reflecting the culture of the area.