The “Chronicle” of Thietmar, Bishop of Merseburg (975-1018), covers the period from the reign of Henry I to 1018, and is the most authoritative historical source, especially on the history of German-Slavic relations; contains important information on the history of Rus'. The Merseburg “Chronicle” of Bishop Thietmar (known in Russia mainly from German translations) is one of the most cited foreign sources in studies on the period of the reign of the first Russian Rurik princes, it allows us to draw historical parallels and connect the Russian history of the “initial chronicle” in a single context with the political history of medieval Europe. This edition corrects the inaccuracies and errors of the previous edition of Thietmar’s “Chronicle”, which was the first complete edition of the “Chronicle” in Russian. For students of the humanities at universities, researchers, as well as a wide range of history buffs.