John of Bohemia was using the title of the king of Poland since 1310. However, the events that took place in Poland in the years 1311–1312 did not alter the main direction of his political activity. At that time, his ...

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, ...