Equestrianism in Brittany
Equestrianism has been practiced in Brittany since at least Celtic times, and continues to be used for military purposes and travel. Although horse racing is a very old tradition in Lower Brittany, equestrian sport, codified in England, took root in the 19th century, to the detriment of more popular traditions.
Source: Wikipedia — Equestrianism in Brittany (CC BY-SA 4.0)