George II, Prince of Halych, Polish Bolesław Jerzy II Mazowiecki (Boleslaus George II of Masovia, also known as Yuriy II of Halicz and Bolesław Trojdenowicz) (1308-1340) was a ruler of the Piast dynasty who reigned the originally Ruthenian principality of Galicia (Central Europe). Historical division of Masovia Masovia (Polish: Mazowsze) is a geographical and historical region situated in central Poland with its capital at Warsaw. ... Events Henry VII is elected as king of the Holy Roman Empire. ... Events Europe has about 74 million inhabitants. ... The Piast dynasty is a line of Kings and dukes that ruled Poland from its beginnings as an independent state up to 1370. ... Ruthenian may refer to: Ruthenia, a name applied to various parts of Eastern Europe Ruthenians, the peoples of Ruthenia Ruthenian language, a name applied to several Slavic languages This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ...

Bolesław was born in 1308 to Trojden I of Masovia from Piast dynasty , Duke of Czersk (Masovia)and Maria, daughter of Yuriy I, prince of Halych. Since his father was still a ruler of the family's Masovian lands, in 1323 Boleslaus, renamed George, became the Duke of Halych. In 1331 he married the daughter of Gediminas, ruler of Lithuania, sister of Aldona Ona wife of Casimir III of Poland. In a treaty of 1338 Bolesław Jerzy offered Casimir III of Poland succession to the throne of Halych (Galicia). He was poisoned in 1340 by orthodoxy boyars and died heirless, before his father who continued rule Masovian principality. Events Henry VII is elected as king of the Holy Roman Empire. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Historical division of Masovia Masovia (Polish: Mazowsze) is a geographical and historical region situated in central Poland with its capital at Warsaw. ... Yuriy I of Halych also Yuriy I of Lviv (born April 24 1252 (1257 ?) — March 18, 1308) - Prince of Belz (1264-1301), king of Halych-Volhynia (1301-1308). ... Jackdaw on the coat-of-arms of Galicia alludes to the name of Halych Halych (Russian and Ukrainian: ) is a historic town in Western Ukraine on the Dniester River. ... Events Canonization of Saint Thomas Aquinas Lithuania: Vilnius becomes capital August 12 - The Treaty of Nöteborg between Sweden and Novgorod (Russia) is signed, regulating the border for the first time Pharos of Alexandira Lighthouse (one of the Seven Wonders of the world) is destroyed by a series of earthquakes... Events September 8 - Stefan Dusan declares himself king of Serbia Start of the reign of Emperor Kogon of Japan, first of the Northern Ashikaga Pretenders Births Coluccio Salutati, Florentine political leader (died 1406) Deaths January 14 - Odoric, Italian explorer October 27 - Abulfeda, Arab historian and geographer (born 1273) Categories: 1331... Gediminas, duke of Lithuania - engraving of XVII ct. ... Aldona Ona or Anna was the daughter of duke Gediminas of Lithuania. ... Casimir the Great Casimir III the Great (Polish: Kazimierz Wielki), (1310-1370), King of Poland, son of king WÅ‚adyslaw I Łokietek (Wladyslaw the Elbow High), 1305-1333 and Jadwiga of Gniezno and Great Poland. ... Events Ashikaga Takauji granted title of Shogun by the emperor of Japan. ... Casimir the Great Casimir III the Great (Polish: Kazimierz Wielki), (1310-1370), King of Poland, son of king WÅ‚adyslaw I Łokietek (Wladyslaw the Elbow High), 1305-1333 and Jadwiga of Gniezno and Great Poland. ... Jackdaw on the coat-of-arms of Galicia alludes to the name of Halych Halych (Russian and Ukrainian: ) is a historic town in Western Ukraine on the Dniester River. ... Galicia (Ukrainian: Галичина (Halychyna), Polish: Galicja, German: Galizien, Slovak: Halič, Romanian: Galiţia, Hungarian: Gácsország) is the name of a region of Central Europe. ... Events Europe has about 74 million inhabitants. ... The word orthodoxy, from the Greek ortho (right, correct) and doxa (thought, teaching, glorification), is typically used to refer to the correct theological or doctrinal observance of religion, as determined by some overseeing body. ... A boyar (also spelled bojar) or bolyarin was a member of the highest rank of the feudal Russian, Romanian and Bulgarian aristocracy, second only to the ruling princes, from the tenth through the seventeenth century. ... Masovian voivodship since 1999 The Masovian Voivodship (in Polish województwo mazowieckie) is the largest and most populous of the sixteen Polish administrative regions or voivodships created in 1999. ...

After Boleslaus George's death the kingdom of Galicia was gradually annexed by the kingdom of Poland between 1340 and 1366, during the reign of Casimir III of Poland. Galicia (Ukrainian: Галичина (Halychyna), Polish: Galicja, German: Galizien, Slovak: Halič, Romanian: Galiţia, Hungarian: Gácsország) is the name of a region of Central Europe. ... The state formed by Boleslaus I of Poland in 1025 during his coronation. ... Casimir the Great Casimir III the Great (Polish: Kazimierz Wielki), (1310-1370), King of Poland, son of king WÅ‚adyslaw I Łokietek (Wladyslaw the Elbow High), 1305-1333 and Jadwiga of Gniezno and Great Poland. ...