The article analyzes consecutive diplomatic and military steps undertaken by Casimir the Great towards Silesia. It analyzes the attitude towards the dukes of Opole, who did not occupy any particular place in that policy, ...

The first piece of information about Częstochowa dates back to 1220, that is the time when it was a small village located at the bottom of Jasna Góra on the edge of a settlement called Opole Mstowskie. Although thanks ...