Medical and genetics experts in Poland say that a heart infection caused by a common skin bacteria could have caused the 1817 death of Tadeusz Kosciuszko, a Polish and U.S. military leader and national hero.

The flags of the European Union, Poland and the city of Warsaw hang in Warsaw, Poland, on Wednesday Dec. 9, 2020. Trzaskowski said the city wants to show to the rest of the EU that the Polish government's tough position "is not the position of the whole of Poland". The fears of a hypothetical Polexit are fueled by Brexit, Britain's messy divorce from the EU, which is seen as accidental. “I cannot imagine Poland outside of the European Union remaining a democratic and liberal country,” Buras said. On the eve of the EU summit, Warsaw city hall ordered EU flags, along with national and city flags, to be displayed in many places.