[4] It was a private church town, administratively located in the Konin County in the Kalisz Voivodeship in the Greater Poland Province of the Polish Crown.

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

[4] Polish insurgents were active in the area during the January Uprising in 1863, and a battle was fought in the nearby village of Myszaków.

[4] As part of Anti-Polish repressions after the fallen uprising, the tsarist administration stripped Zagórów of its town rights in 1869.

Eyewitness testimonies document the horrific day where Germans were experimenting with mass killing methods.