Battle of Shrewsbury

The Battle of Shrewsbury was fought on 21 July 1403, waged between an army led by the Lancastrian King Henry IV and a rebel army led by Henry "Harry Hotspur" Percy from Northumberland. The battle, the first in which English archers fought each other on English soil, reaffirmed the effectiveness of the longbow and ended the Percy challenge to King Henry IV of England.