Battle of Warsaw 1920
1920 Bitwa Warszawska (original)
Poland's winning battle against Soviet Russia as seen through the eyes of two young protagonists, Ola and Jan. She is a Warsaw cabaret dancer, while he is a cavalry officer and poet who believes in socialist ideals
Starring Natasza Urbańska, Borys Szyc, Daniel Olbrychski, Jerzy Bończak, Adam Ferency, Bogusław Linda, Ewa Wiśniewska, Alexandr Domogarov, Olga Kabo, Andrzej Strzelecki
Watch "Battle of Warsaw 1920" from streaming services Tubi TV, Plex Free released in 2011. It's a drama and history movie, and has a rating of 4.4 out of 10 from Imdb which is fairly low for this kind of movie, and is currently available to watch for free.