Nicolaus Copernicus is known that Copernicus knew Polish on a par with German and Latin. Historian Michael Burleigh describes the nationality debate as a "totally insignificant battle" between German and Polish scholars during the interwar period. Polish astronomer Konrad Rudnicki calls the discussion a "fierce scholarly quarrel in ... times of nationalism" and describes Copernicus as an inhabitant of a German-speaking territory that belonged to Poland, himself being of mixed Polish-German extraction. Czesław Miłosz describes the debate as an "absurd" projection of a modern understanding of nationality onto Renaissance people, who identified with their home territories rather than with a nation. Similarly,
Copernicus Science Centre Roots of civilization, Lightzone, Bzzz!); the exhibit for teenagers – RE: generation was opened 3 March 2011; a planetarium The Heavens of Copernicus opened on 19 June, the Discovery Park on 15 July, chemistry laboratory - 18 October; biology laboratory - 15 November, robotics workshop - 6 December, and physics laboratory - 20 December. Since 2008, the Copernicus Science Centre together with Polish Radio has organized the Science Picnic - Europe's largest outdoor science-popularization event. In 2011 the Centre hosted the ECSITE conference (European Network of Science Centres and Museums) – one of the most important events in the field