Under orders from the French King Jean II of France to retake the castle of Ploërmel from the Anglo-Breton garrison who occupied it, de Nesle made his way towards Ploërmel.
The story takes place near the rural town of Ploërmel and is based on two Breton tales by Émile Souvestre, "La Chasse aux trésors" and "Le Kacouss de l'Armor", both published separately in 1850 in the Revue des deux mondes.
The Jesuit period finished after World War I and the site was purchased by another French group The Brothers of Christian Instruction from Ploërmel in Brittany who set up a missionary school.
Jean-Charles Gicquel (born February 24, 1967 in Ploërmel) is a retired high jumper from France, who set his personal best (2.35 m) on March 13, 1994 in Paris.
During the Breton War of Succession (1341–1364), the garrison of Josselin fought inconclusively the defenders of the nearby Castle of Ploërmel.
The Ploërmel Astronomical Clock is a 19th-century astronomical clock in Ploërmel.
Bemborough led the Montfortist faction which controlled Ploërmel.