Aug 15 778 AD   Battle of Roncevaux Pass at which Roland was killed.

Battle of Roncevaux Pass from Wikipedia     https://en.wikipedia.org/wiki/Battle_of_Roncevaux_Pass

THE SONG OF ROLAND  -   Michael Kelly     https://www.youtube.com/watch?v=lNrzCoASqSI
Song of Roland - Rosalind Jehanne     https://www.youtube.com/watch?v=pLUf3vG9VdA

ROLANDSKADET   -   Erik Bye     https://www.youtube.com/watch?v=MXWgoKP1AOU
CHANSON DE ROLAND   -   dArtagnan     https://www.youtube.com/watch?v=vL_XSdQmGp0