Siege of Brest
Part of the Hundred Years’ War
The siege depicted by the Master of Anthony of Burgundy in MS BnF Fr 2643-6 of Froissart's Chronicles
Date 1386 Location Brest, Brittany Result English relieved Brest
Belligerents
Duchy of Brittany Kingdom of France	Kingdom of England
Commanders and leaders
John IV, Duke of Brittany Olivier de Clisson	John Roches Thomas Asshenden Relief force: John of Gaunt

The siege of Brest in 1386 was led by John IV, Duke of Brittany, against English-occupied Brest during the Hundred Years’ War. The siege was relieved by an English army commanded by John of Gaunt, Duke of Lancaster.^[1]

• Sumption, Jonathan (2011). Hundred Years War, Volume 3: Divided Houses. Faber & Faber. ISBN 9780571266562.