General Sosnkowski (armoured train) explained

The Generał Sosnkowski was a Polish armoured train that was developed during the Second Polish Republic.

The PP 13 Generał Sosnkowski was built in 1920, at the Cegielski plant in Poznań, and named after Kazimierz Sosnkowski. Though modernized in the 1930s, its outward appearance retained its earlier characteristics. It saw action during the Polish-Bolshevik War^[1] and the Invasion of Poland (1939).^[2]

Notes and References

1. Book: Lukowski. Jerzy. Zawadzki. Hubert. A Concise History of Poland. 2006. Cambridge University Press. 9780521853323. 230. Google Books. 25 December 2017. en.
2. Book: Seidner, Stanley S.. Marshal Edward Śmigły-Rydz Rydz and the Defense of Poland. New York. 1978.