Norman Invasion

The Norman conquest of England (in Britain, often called the Norman Conquest or the Conquest, sometimes just the Invasion) was the invasion and occupation of England by an army of Norman, Breton, Flemish, and French soldiers led by the William, Duke of Normandy in 1066. William subsequently reigned as William I of England.

Norman Invasion in "The Yorkshire Mammoth"
While a number of animal species, including the aurochs, the cave bear, and the dire wolf vanished from England, Wales and Scotland during the Roman occupation, several survived in Ireland until the Norman invasion.