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Thietmar (born July 25, 975, Hildesheim, Saxony [Germany]—died Dec. 1, 1018, Merseburg, March of Thuringia) was the bishop of Merseburg and chronicler whose history of the three Ottos and Henry II, Saxon kings of Germany and Holy Roman emperors, is an important medieval Saxon document. The son of John Siegfried, Graf von Walbeck, and a relative of the royal house, Thietmar spent his youth in Magdeburg, joined the brotherhood of the church of Magdeburg in...