Armored Train №. 12 “Poznańczyk” (Poznanian) shoved off the track at Płochocin in 1939.
On the morning of September 9, at pp no. 12, he destroyed 7 German vehicles from the 23rd Infantry Division The Germans fired artillery and started a fire in one of the wagons.
The train turned back to Warsaw and tried to drive to Warsaw. In the area where the elements of the 4th panzer division were built, unable to fight their way in any direction, the crew, at the command of the commander, left the train after being destroyed.
Some of the soldiers from the train cast moved to Warsaw, where they were part of the bridge protection Battalion.