Rościsław Żerelik (born 1956) is a Polish

historian A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the stu ...

specializing in medieval history, history of supporting science, and the history of

Silesia Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is split ...

in the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...

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Ludzie nauki (Polish)
1956 births 20th-century Polish historians Polish male non-fiction writers Living people Recipients of the Order of Merit of the Federal Republic of Germany 21st-century Polish historians {{Poland-historian-stub