Żerków was a private town of Polish nobility, administratively located in the Pyzdry County in the Kalisz Voivodeship in the Greater Poland Province.

[3] In 1574, the newly elected King Henry of Valois stopped in Żerków before his royal coronation in Kraków.

[4] The Radomicki noble family erected the Baroque Church of Saint Stanislaus, which is the town's greatest historic landmark.

After the successful Greater Poland uprising of 1806, it was regained by Poles and included within the short-lived Duchy of Warsaw.

[7] After the joint German-Soviet invasion of Poland, which started World War II, it was occupied by Germany in 1939.