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Casimir IIIKing of Poland, son of Vladislav Loketok and Jadwiga Boleslavovna
Date of Birth: 30.04.1310
Country: Poland |
Content:
- Youth and Accession
- Poland in Crisis
- Policy of Internal Reforms
- National and Cultural Policies
- Military and Architectural Achievements
- Marriages and Family
- Death and Legacy
Youth and Accession
Casimir III (1310-1370), also known as Casimir the Great, was the last king of Poland from the Piast dynasty. He ascended to the throne on March 2, 1333, upon the death of his father, Władysław I the Elbow-high. His full title was: "By the Grace of God, King of the Land of Cracow, the Land of Sandomierz, the Land of Sieradz, the Land of Poland, the Land of Kujawy, the Land of Dobrzyń, the Land of Pomerania, the Russian Land, the Lord and Eternal Heir of those Lands, the Free King."
Poland in Crisis
Upon Casimir's accession, Poland was in a precarious state. The unity for which Władysław I had strived was crumbling, with Silesia lost to Bohemia, Mazovia drawn towards Bohemia and the Teutonic Knights, and Pomerania slipping from Polish control. The country was surrounded by hostile neighbors who were seizing cities and plundering the land. Internally, the kingdom suffered from lawlessness, oppressive nobles, a downtrodden peasantry, and a lack of education and trade.
Policy of Internal Reforms
Casimir's greatness lay in his recognition of the dire situation and his pursuit of internal reforms and peace with neighboring states as the only means of saving Poland. Throughout his reign, he negotiated a series of treaties: with Hungary (1334), Bohemia (Visegrád Congresses, 1335 and 1336), and the Teutonic Order (Kalish Peace, 1343). Casimir strategically relinquished territories he could not hold but seized opportunities to acquire vulnerable lands, such as the Duchy of Galicia-Volhynia after the death of Bolesław Jerzy II.
Casimir imposed strict measures against banditry, making roads safer and revitalizing trade. He showed favor to the lower classes, hearing their grievances and punishing transgressors, including nobles. His concern for the poor earned him the nickname "King of the Peasants." He organized autonomous peasant communities, reduced taxes, and granted them unused lands.
National and Cultural Policies
During Casimir's reign, Poland experienced significant foreign colonization. Germans, Armenians, Jews, and Tatars settled in empty lands, receiving Magdeburg Law and religious freedom. This influx led to economic and cultural growth for the country.
Casimir's commitment to education resulted in the establishment of numerous parish schools and, most notably, the foundation of the University of Cracow (1364), modeled after the University of Bologna. The university focused on teaching law, a crucial element in Poland's internal development. In 1346-47, he promulgated the Statute of Wiślica, a comprehensive and comprehensive law code for the entire kingdom.
Military and Architectural Achievements
Casimir also made significant advancements in fortification. He initiated a wave of castle building in stone, with castles and town walls constructed throughout Poland and eastern lands (present-day Western Ukraine). The historian Jan Długosz famously remarked, "Casimir found Poland built of wood, and left it built of stone." He established the castle in Bobolice and replaced the wooden fortress at Ogrodzieniec with a stone edifice.
Marriages and Family
Casimir married four times:Anna (Aldona), a Lithuanian princess, with whom he had two daughters: Kunegunda (who died in infancy) and Elisabeth (who married Bogusław V, Duke of Pomerania).
Adelaide of Hesse, with whom he had two daughters: Adelaide and Christina.
Jadwiga of Żagań, with whom he had three daughters: Anna (whose daughter, also named Anna, became the third wife of Władysław II Jagiełło), Kunegunda (who died in infancy), and Jadwiga (who died at age 12).
Christina Rokiczana, a Czech burgher, with whom he married bigamously, as his third marriage with Jadwiga had not been annulled. They had one son, whose name is unknown.
Casimir also had numerous mistresses, including the Jewish woman Esterka, who bore him three sons (Pełkó, Jan, and Niemira) and two daughters. He was also known to have had an affair with the Hungarian noblewoman Klara von Zach, who was murdered by her family after becoming pregnant by the king.
Death and Legacy
Casimir III died in 1370 and was buried in Wawel Cathedral. Despite leaving no legitimate male heir, he is remembered as one of Poland's greatest monarchs. His reforms and policies laid the foundation for Poland's future prosperity and helped to preserve Polish independence in the face of formidable challenges.

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