... the great dukedome of Russia, changed his name calling himselfe Basilius, and applied his minde to the atchieuing of high and great enterprises. For hee reduced a great part of the dukedome of Moscouie, which Vitoldus the great Duke of Lithuania helde in possession, vnder his owne ... — The Principal Navigations, Voyages, Traffiques, • Richard Hakluyt
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