English: A flag used in Polotsk (modern Polatsk, Belarus) - Banner of the Voivodeship of Polotsk, also known as the Voivodeship of Polotsk during the times of the Grand Duchy of Lithuania, Banner of the Polotsk Principality was the image of the Trident Izyaslav - Prince of Polotsk [1] was a medieval principality of the Early East Slavs. Historical banners of Russia.
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