22:45 · This cross is sometimes called Portuguese cross. It was the sign on the standard of the Grand Master of the Teutonic Crusaders' Order used in the battle of Grünwald, Tannenberg, in 1410, against the Poles, where the Teutonic knights were defeated. It was a common cross form on crusader knights' coats of arms during the Middle Ages.
    See also the crutch cross, , in Group 28.