Black Prince, Prince of Wales, son of Edward III., so called, it is said, from the colour of his armour; distinguished himself at Crécy, gained the battle of Poitiers, but involved his country in further hostilities with France; returned to England, broken in health, to die (1330‒1376).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Black Monday * Black Rod, Gentleman Usher of