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.
Principality of Bulgaria | Yaroslavl | Principality of Ansbach | Principality of Lüneburg | Principality of Auersperg | Principality of Polotsk | Principality of Orange | Principality of Yaroslavl | Principality of Pereyaslavl | Principality of Calenberg | Lokomotiv Yaroslavl | Principality of Lippe | Principality of Grubenhagen | Yaroslavl Oblast | 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 | St. John the Baptist Church, Yaroslavl | Serbian Grand Principality | Rybinsky District, Yaroslavl Oblast | Principality of Valona |
The other principalities were eventually absorbed, be it by conquest, purchase or marriage contract: The Yaroslavl in 1463, Rostov was bought in 1474, Tver in 1485, and Vyatka 1489.