Polish Wikipedia is the biggest encyclopedia project in Polish language. It started in 2001 and is one of ten most commonly visited websites in Poland. I’d like to describe a few aspects of its functioning. Some numbers and facts About 1,600 of Polish Wikipedia users make at least one edit in a month. About hundred of them are active in votings on meta-pages of Wikipedia. Polish Wikipedia have hit one million four hundred thousand on articles counter at 6th of April this year. All editors make on average 170 thousands of changes in articles monthly. The most actively read articles in May were: article about aircraft An-225 Mrija, Poland and article about Netflix series “Dom z papieru” (Money Heist). Notability One of rules of Wikipedia community is notability of phenomenons and objects being described. Topic of article should be verifiable, shouldn’t be too temporary (not to be a news article), should be widely defined (not to be a dictionary entry) and should be useful as an encyclope...