We accept the swords you send us, and in the name of Christ, before whom all stiff-necked pride must bow, we shall do battle.
https://en.wikipedia.org/wiki/Bogurodzica
>https://en.wikipedia.org/wiki/Bogurodzica
Polish knights sang it as an anthem before the Battle of Grunwald.
https://en.wikipedia.org/wiki/Battle_of_Grunwald
Bogurodzica also accompanied the coronation ceremonies of the first Jagiellonian kings.