This Day in History: 1415-08-05

On 5th August 1415, Richard, Earl of Cambridge was beheaded for his involvement in the Southampton plot to depose Henry V and replace him with Richard’s brother-in-law and then Mortimer heir, Edmund (great-great-grandson of Edward III and heir presumptive to Richard II). Cambridge and his wife Anne Mortimer were the parents of Richard, Duke of York, lord of Sandal Castle, who was later to play an integral part in the Wars of the Roses.