** " Assassination on City Hall " – as it was dominated by Germans, the Execution Department of Worker's and Soldier's Council proceeded to Poznań's City Hall, an armed group of Poles forced them to change four of the German Delegates with Poles: Bohdan Hulewicz, Mieczysław Paluch, Henryk Śniegocki and Zygmunt Wiza.

** Mieczysław Halka Ledóchowski, Archbishop of Gnesen and Posen, ( Poland, part of the Russian Empire ).

** Wyższa Szkoła Zarządzania / The Polish Open University

** Polish rulers

** List of Polish presidents

** Polish marka, Polish currency from 1917 to 1924

** Many languages, such as Bulgarian, Swedish, Norwegian, Frisian, Italian, Spanish, Russian, Polish, Ukrainian, Dutch and most Occitan variants, use trilled rhotics.

** Table of contents, bibliography of On the Origin of Species – links to text and images of all six British editions of The Origin of Species, the 6th edition with additions and corrections ( final text ), the first American edition, and translations into Danish, Dutch, French, German, Polish, Russian and Spanish.

** Radio ESKA ,-which plays international hits, along with Polish music.

** Radio Maryja-a radio station that is centered around religious observances, such as mass, and prayer, in Polish.

** Mariusz Pudzianowski, Polish strongman

** Arkadiusz Radomski, Polish footballer

** Kamil Kosowski, Polish footballer

** Adam Małysz, Polish ski jumper

** Rudolph Maté, Polish cinematographer ( b. 1898 )

** A new Polish government is declared in Western Galicia ( Central Europe ).

** Ewa Farna, Polish singer

** Aleksandra Ziolkowska-Boehm, Polish born writer

** Jarosław Kaczyński, Polish Prime Minister ( 2006 – 2007 )

** Ewa Kasprzyk, Polish actress

** Joanna Pacula, Polish actress

** Andrzej Wajda, Polish film director

** Waclaw Sierpinski, Polish mathematician ( b. 1882 )

** Andrzej Sapkowski, Polish writer

** WWII: Polish troops on the Westerplatte are forced, due to lack of food and ammunition, to surrender.

** Reinhard Heydrich, chief of the Security Police, sent a directive, the Schnellbrief, explaining that Jews living in towns and villages in the Polish occupation zones were to be transferred to ghettos, and Jewish councils – Judenräte – would be established to carry out the German authorities ’ orders.

** Carroll Quigley, American historian, polymath, and theorist of the evolution of civilizations ( b. 1910 )

** Thomas Fuller, English churchman and historian ( d. 1661 )

** Henry Adams, American historian ( b. 1838 )

** Eric Hobsbawm, British historian

** Arthur M. Schlesinger, Jr., American historian and political commentator ( d. 2007 )

** A. N. Sherwin-White, English historian of Ancient Rome ( b. 1911 )

** Bernal Diaz del Castillo, Spanish historian ( d. 1581 )

** Dee Brown, American writer and historian ( d. 2002 )

** Abdurakhman Avtorkhanov, Chechen historian ( d. 1997 )

** Stanley Vestal, American writer, poet, historian ( b. 1877 )

** James Chace, American historian ( d. 2004 )

** Maurice Cowling, British historian ( d. 2005 )

** Cäcilia Rentmeister, German art historian and gender researcher

** Kwan-Ichi Asakawa, Japanese historian ( b. 1873 )

** Barbara Tuchman, American historian ( d. 1989 )

** Janko Prunk, Slovenian historian

** Ronald Syme, New Zealand-born classicist and historian ( d. 1989 )

** A. L. Rowse, English historian ( d. 1997 )

** Gisela Richter, English art historian ( b. 1882 )

** Stephen Ambrose, American historian ( d. 2002 )

** Owen Chadwick, British author and historian

** Bernard Lewis, British historian

** Yasushi Inoue, Japanese historian ( b. 1907 )

** Jan Józef Lipski, Polish critic, historian and politician ( b. 1926 )