was much more successful, managing to avoid encirclement, and after the Battle of Wola Cyrusowa (September 8) his corps' last battle was the defence of the Modlin fortress (capitulated on 29 September). Organization Army's commander was general Juliusz Rómmel. His chief of staff was colonel Aleksander Pragłowski. The Army also contained an Operational Group 'Piotrków' under general Wiktor Thommée. The Army also had smaller notable units, such as two armoured trains (no.52 and no.53). References Armie i samodzielne grupy operacyjne Wojska Polskiego 1939 WIEM Encyklopedia Jan Wróblewski, Armia Łódź, Wydawnictwo Wojskowego Instytutu Historycznego, Warszawa 1975 Military units and formations of Poland in World War II Polish armies Military units and formations established in 1939 Military units and formations disestablished in 1939