Im very grateful for posting your thread
Polish PZL P.37B Los (elk) from 217(?) Bombing Sgn
German Junkers Ju 87 dive bombers
German forces during failed assault on Warsaw's Wola district, September 9, 1939.
Polish Bofors 40 mm antiaircraft gun and a bombed Polish Army column during the Battle of the Bzura
I've heard of this before. There's a guy on YouTube called "YarnHub" that makes animations on historic events and heroic acts in war.Attack against Polish post office in free city of Gdansk defended by civil employees.