The mystery of Kazimierz Stronczyński’s birth and death solved

ABSTRACT: The aim of the work is to determine the exact place and date of Kazimierz Stronczyński’s birth and death. An analysis of documents reveals that he was born on 24th July 1809 in Piotrków Trybunalski and died on 10th November 1896 in the same town. SUMMARY: Kazimierz Stronczyński was one of the greatest 19th century Polish numismatist, who is sometimes called the father of Polish medieval numismatics. Even though his life, career and works are very well known, in works devoted to Kazimierz Stronczyński’s life we can find several different dates and places of his birth and several different dates of his death. The following text, based on original documents, explains exactly when and where Kazimierz Stronczyński was born and died.