Lancaster's Normandy chevauchée of 1356
Lancaster's chevauchée of 1356 in Normandy was an English offensive directed by Henry, Duke of Lancaster, in northern France during 1356, as a part of the Hundred Years' War. The offensive took the form of a large mounted raid – a chevauchée – and lasted from 22 June to 13 July.
Source: Wikipedia — Lancaster's Normandy chevauchée of 1356 (CC BY-SA 4.0)