The Battle of Shrewsbury was a battle 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.Part of the fighting is believed to have taken place at what is now Battlefield, Shropshire, England, three miles (5 km) north of the centre of Shrewsbury. It is marked today by Battlefield Church and Battlefield Heritage Park.