"When Crécy battle fatally was struck"

When Crécy battle fatally was struck", William Shakespeare, Henry V, Act 2, Scene 4.

"When Cressy battle fatally was struck

 And all our princes captived by the hand

 Of that black name, Edward, Black Prince of Wales"

The actual historical Battle of Crécy, of course, took place on August 26, 1346

The Battle of Crécy, from a 15th-century illuminated manuscript of Jean Froissart's Chronicles