Due to the tradition in medieval Poland, he started to use the surname derived from the main family seat.

On the middle Oder lived the Leubuzzi, who were associated with medieval Poland.

In medieval Poland, mead had a status equivalent to that of imported luxuries, such as spices and wines.

Aside from several topical variations, many settlements in medieval Poland and other areas followed a similar pattern.

Wielun was an important town in medieval Poland and the Jewish community had been established in (or near) the town for a long time.

Both Poles and Lechites was used in medieval Poland as adequate terms.

It is based on a city called Krakow in medieval Poland.

In early medieval Poland the Palatinus was next in rank to the King.

He is specializing in history of Cieszyn Silesia and medieval Poland.

Samsonowicz has written around 800 scientific papers, mostly on history of medieval Poland, including 16 books and university textbooks.