Knights of the Teutonic Order (Polish: Krzyżacy) is a 1960 Polish film directed by Aleksander Ford based on the novel of the same name by Henryk Sienkiewicz.. The plot is situated in the late-14th century and early-15th century Poland and centers on the Polish–Lithuanian–Teutonic War (1409-1411) and the final Battle of Grunwald (1410). 15,000 extras were employed to create the battle scenes.
https://en.wikipedia.org/wiki/Knights_of_the_Teutonic_Order_(film)

