14 April 1471 The Battle of Barnet - a decisive engagement in the Wars of the Roses.
The Battle of Barnet, article rom Wikipedia     https://en.wikipedia.org/wiki/Battle_of_Barnet

THE BATTLE OF BARNET SONG   - The Legendary Ten Seconds       https://www.youtube.com/watch?v=5-dKai8WezY&t=25s