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Boris of Tver
From Wikipedia, the free encyclopedia
Boris Aleksandrovich of Tver or Boris the Great[citation needed] (ca. 1399–10 February 1461) was a Grand Prince of Tver from 22 April 1426 until his death.
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Boris Aleksandrovich of Tver or Boris the Great[citation needed] (ca. 1399–10 February 1461) was a Grand Prince of Tver from 22 April 1426 until his death.