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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(also Olgerd), grand duke of Lithuania from 1345 to 1377. Son of Gediminas.

In alliance with his brother Ke̢stutis, Algirdas conducted a resolute and successful campaign to expand the territory of the Grand Duchy of Lithuania. He fought battles on the Stréva River west of Trakai (1348) and at Rudava (1370), in which the Teutonic Order’s forces were defeated. In 1363 he defeated a Mongol Tatar army at Sinie Vody. Algirdas seized several Cher-nigov-Severskii appanages, the Kievan Land, Podolia, and Volyn’ and annexed the Principality of Smolensk to Lithuania. Without notable success he also attempted to extend his influence to Pskov and Novgorod. Algirdas failed in his attempt to conclude an anti-Moscow alliance with Khan Dzhanibek in 1349. Between 1368 and 1372, he supported Tver’ against Moscow and unsuccessfully attacked Moscow three times, in 1368, 1370, and 1372.


Grekov, I. B. Ocherki po istorii mezhdunarodnykh otnoshenii Vostochnoi Ewopy XIV-XVI vv. Moscow, 1963.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Algirdas Stoncaitis, chancellor of the Interior Ministry, has been appointed as chancellor of the Lithuanian government of Prime Minister Saulius Skvernelis.
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Muscat: Recognising the potential of mutual benefits, Oman and Lithuania have agreed to cooperate in sectors such as economy energy, transport, information technology, science, education, innovation, culture, health tourism and sports among others resulting from the quantitative and qualitative achievements of the Sultanate in numerous economic and social sectors under the wise leadership of His Majesty Sultan Qaboos bin Said, and the development and continuous growth of Lithuania, on the eve of the 25th anniversary of restoration of the Lithuanian Independence, and on the occasion of the official visit of Algirdas Butkevicius, Prime Minister of the Republic of Lithuania to the Sultanate on February 2--4, 2015.
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