Archiwum PaĆstwowe w Kaliszu is the state archives in Poland founded in 1950.
According to PR-model, archiwum.kalisz.pl is ranked 635,085th in multilingual Wikipedia, in particular this website is ranked 19,530th in Polish Wikipedia.
The website is placed before humbleandfredradio.com and after patriotplatform.ru in the BestRef global ranking of the most important sources of Wikipedia.