Gildas – also known as Gildas Badonicus, Gildas fab Caw and Gildas Sapiens – was a 6th-century British monk best known for his religious polemic De Excidio et Conquestu Britanniae, which recounts the
Statue of Saint Gildas near the village of Saint-Gildas-de-Rhuys (Brittany).