Svätopluk (around 840 - 894) - was the Great Moravian Prince from 871 - 894. He was the most significant ruler of Great Moravia. He was a nephew of Great Moravian King Rastislav, he extradited his uncle to the Franks in 870, after the revolt of the Moravians, he took the throne. Svätopluk had a merit in a libertation of the archbishop Method, who was interned by the Franks and he made a peace with Ľudovít Nemec in 874. He strengthened domestic and foreign position of the state, he became an independent ruler of Great Moravia. To the original Slovak-Moravia Principality he annexed Czechia, Lužica, Sliezsko, Principality of Krakov, regions on the East of Tisa river, as far as Carpathian Mountains are located, a whole territory of today's Hungary, and a part of the Eastern Austria. Under his rule Great Moravia state had the biggest territory and the greatest power. Svätopluk had rich diplomatic connections and he corresponded with the Popes. In 880, Popes' agreement Industriae tuae declared Old Slavic as a language of Liturgy. A testimony about Svätopluk and an old legend about his wickers was written down by the Byzantine emperor Konštantín Porfyrogenet. Svätopluk's sons are up to now a metaphor for a non-unanimity, that caused the end of the Great Moravia. FDC: Svätopluk, reference to the correspondence with the Popes, that Svätopluk is a spiritual son of St. Peter- Unicus Filius, sword, stirrup, and spurs from a magnate court in Ducové. Cancellation: Gold earring with glazed pendants, 8.th century, Holiare.