The Battle of Shrewsbury
21 July 1403
It was on this day in British history, 21 July 1403, that King Henry IV prevailed at the Battle of Shrewsbury. The Lancastrian army defeated rebel forces led by Henry “Hotspur” Percy of Northumberland. It was the first time that English archers fought one another on English soil, and is seen as a demonstration of the deadly effectiveness of the English longbow.