The history of Ciężkowice dates back to the year 1125, when in a document of Papal legate Gilles de Paris, the village is mentioned as a property of the Tyniec Benedictine Abbey. On February 29, 1348, King Kazimierz Wielki granted it Magdeburg rights town charter.
The history of Ciężkowice stretches back to 1125, as indicated in a document by Papal legate Gilles de Paris, where the village is mentioned as belonging to the Tyniec Benedictine Abbey. On February 29, 1348, King Kazimierz Wielki granted it Magdeburg rights town charter.