3501992 Byzantine Emperor John Tzimiskes receiving ambassadors of Prince Svyatoslav Igorevich in 971, from \'The Radziwi?? Chronicle\' (vellum) by Russian School (15th century); Russian Academy of Sciences Library Depository St Petersburg; (add.info.: The Radziwi?? Chronicle (or Konigsberg Chronicle) is one of the Old East Slavic illuminated manuscript held by the Library of the Russian Academy of Sciences in Saint Petersburg. It is a 15th-century copy of a 13th-century original. Its name is derived from the Princes Radziwi?? of Grand Duchy of Lithuania (later, the Polish-Lithuanian Commonwealth), who kept it in their Nesvizh Castle in the 17th and 18th centuries. The work reveals the history of Kievan Rus\' and its neighbors from the fifth to the early 13th century in pictorial form, representing events described in the manuscript with more than 600 colour illustrations. Among East Slavic chronicles, the Radziwi?? is distinguished for the richness and quantity of its illustrations, which may derive from the 13th-century original. The chronicle includes the Tale of Bygone Years and extends it with yearly entries until 1206.); Sputnik; Russian, out of copyright.