Ottonian Germany: The Chronicon of Thietmar of MerseburgThe Chronicon of Thietmar of Merseburg has long been recognised as one of the most important sources for the history of the tenth and early eleventh centuries, especially for the history of the Ottonian Empire. Thietmar's testimony also has special value because of his geographical location, in eastern Saxony, on the boundary between German and Slavic cultures. He is arguably the single most important witness to the early history of Poland, and his