25 October 1415   The Battle of Agincourt took place near Azincourt, in northern France.

Battle of Agincourt from Wikipedia    https://en.wikipedia.org/wiki/Battle_of_Agincourt

SONGS ABOUT THE BATTLE OF AGINCOURT
THE AGINCOURT CAROL from Wikipedia     https://en.wikipedia.org/wiki/Agincourt_Carol

The Agincourt Carol from The Ballad Index     http://www.fresnostate.edu/folklore/ballads/MEL51.html

Many recordings of “The Agincourt Carol “on Youtube https://www.youtube.com/results?search_query=The+Agincourt+Carol

KING HENRY’S CONQUEST OF FRANCE     (Child #164)     https://www.youtube.com/watch?v=04fA4sdo7Dw
King Henry Fifth's Conquest of France (ballad)from Wikipedia    https://en.wikipedia.org/wiki/King_Henry_Fifth%27s_Conquest_of_France

KING HENRY’S CONQUEST OF FRANCE  -   Richard Thompson     https://www.youtube.com/watch?v=q6bvxIQ6KYc
Various other recordings of “King Henry V's Conquest of France” on YouTube    https://www.youtube.com/results?search_query=King+Henry+V%27s+Conquest+of+France