This Day in History: 1286-12-15

On 15th December 1286, William de Warenne, son of John de Warenne – 6th Earl of Surrey and owner of Sandal Castle – was killed at a tournament in Croydon, just 6 months after the birth of his son and heir, John, who would become the seventh and last Earl of Surrey and last of the de Warenne’s to own Sandal Castle.