Jīfǔ Luósī de Àolièg dàgōng shì yī wèi chuánqí de tǒngzhìzhě.
Prince Oleg of Kievan Rus was a legendary ruler.
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The name derives from Old Norse Helgi, meaning 'holy' or 'blessed' — Varangians (Vikings) carried it into Slavic lands. Prince Oleg (Вещий Олег, 'Oleg the Prophet') consolidated Kievan Rus around 882.