[4] In 1338, King Casimir III the Great gave the town to Maćko Borowiec, who built a castle there.

[5] The castle, located along present-day Zamkowa Street, is still in use today; it houses a school and the Muzeum Ziemi Koźminskiej (Museum of the Koźmin Land).

Regained by Poles after the successful Greater Poland uprising of 1806, it was included in the short-lived Polish Duchy of Warsaw, in 1815 it was re-annexed by Prussia.

[11] Janusz Podlewski, commander of the local unit of the Home Army, was arrested by the Gestapo in July 1944, and then imprisoned in various prisons and the Mauthausen concentration camp, where he was liberated by American troops.

[13][14] The cemetery is maintained by a local teacher, Jerzy Fornalik, who is also the author of a multicultural education program, "Anty-Schematy," for students from Poland, Israel, Germany, and other countries.