Principality of Pereyaslavl - a medieval Eastern Slavic state of the Rus from 1175 to 1302
The principality can be traced as a semi-independent dominion from the inheritance of the sons of Yaroslav the Wise, Svyatoslav receiving Chernigov, Vsevolod getting Pereyaslavl, Smolensk going to Vyacheslav and Vladimir-in-Volhynia going to Igor; this ladder of succession.
Principality of Bulgaria | Principality of Ansbach | Pereyaslavl | Principality of Lüneburg | Principality of Auersperg | Principality of Polotsk | Principality of Orange | Principality of Yaroslavl | Principality of Pereyaslavl | Principality of Calenberg | Principality of Lippe | Principality of Grubenhagen | Principality of Sealand | Principality of Piombino | Principality of Kiev | Principality of Catalonia | Principality of Anhalt-Zerbst | Principality of Zeta | Principality of Transylvania | Principality of Lichtenberg | Principality of Hungary | Principality of Halberstadt | Principality of Brunswick-Wolfenbüttel | Tabasaran Principality | Serbian Grand Principality | Principality of Valona | Principality of Ryazan | Principality of Reuss-Greiz | Principality of Reuss | Principality of Nassau-Orange-Fulda |
Pereyaslavl
Yaroslavl
Yuryev
Nizhny Novgorod
Murom
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The Battle on Pyana River took place on August 2, 1377 between the Blue Horde Khan Arapsha (Arab-Shah Muzaffar) and joint Russian troops under Knyaz Ivan Dmitriyevich, made up of the Pereyaslavl, Yaroslavl, Yuryev, Nizhny Novgorod and Murom warlords.