The Great War between Poland and the Teutonic Order will always be associated with the great victory of Poland at Grunwald. However, it is worth recalling the Koronowo battle, which took place three months later and became exceptional not only because it was another great Polish victory, but also because it was in fact a knights’ tournament, where warriors on both sides were fighting honorary duels with each other, and even two breaks during which they played songs about the courage of their opponents.