Aldona married Casimir III of Poland, when he was 15 or 16 years old.

Casimir III the Great () ( 30 April 1310 – 5 November 1370 ) who reigned in 1333 – 1370, was the last King of Poland from the Piast dynasty, the son of King Władysław I the Elbow-high and Duchess Hedwig of Kalisz.

However, Casimir III the Great submitted to the Golden Horde and undertook to pay tribute in order to avoid more conflicts.

Casimir III married four times.

File: Kazimierz III sarcophagus figure. jpg | Effigy of Casimir from his own tomb erected by his nephew around 1371

File: Casimir III the Great. PNG | Kazimierz the Great, by Marcello Bacciarelli

ca: Casimir III de Polònia

fr: Casimir III de Pologne

nl: Casimir III van Polen

oc: Casimir III de Polonha

simple: Casimir III of Poland

The Kingdom was restored under Władysław I the Elbow-high, strengthened and expanded by his son Casimir III the Great.

* Hedwig of Kalisz ( 1266 – 1339 ), wife of the King Władysław I the Elbow-high and mother of Casimir III of Poland and Elisabeth of Poland.

According to the Annales Cracovienses Compilati, this event took place in 1136 ; since it can be assumed that the Polish princess was younger than her betrothed, and also are known the birth dates of the youngest children of Bolesław III ( Agnes in 1137 and Casimir in 1138 ), Judith in consequence could have been born between 1130 and 1135.

Its last king, Casimir III, had left no legitimate son and considered his male grandchildren either unsuited or too young to reign.

There were descendants of superseded daughters of Casimir III of Poland ( d. 1370 ), such as his youngest daughter Anna, Countess of Celje ( d. 1425 without surviving Issue ), and her daughter Anna of Celje ( 1380 – 1416 ) whom Władysław II Jagiełło married next.

Emperor Sigismund himself was an heir of Casimir III, as eldest son of his mother Elisabeth of Pomerania, who was since 1377 the only surviving child of Elisabeth of Poland, herself daughter of Casimir III from his first marriage with Aldona Gediminaite of Lithuania.

Among them were Boleslaw IV the Curly, Mieszko III the Old, Casimir II the Just, Leszek I the White, Boleslaw V the Chaste, Leszek II the Black, Wladyslaw I the Elbow-high, and King of Bohemia, Wenceslaus II of Bohemia, who united Lesser Poland in 1290 / 1291.

It became visible during the reign of Casimir III the Great, who favored less known Lesser Poland's noble families, at the expense of Greater Poland's nobility.

* 1370 – King Casimir III the Great of Poland ( b. 1310 )

Clement also excommunicated King Casimir III of Poland and made Prague an archbishopric in 1344.

A wiec ( King's Council ) in the time of King Casimir III of Poland | Kazimierz the Great, 14th century

When Casimir, the last Piast king of Poland, died in 1370, his nephew King Louis I of Hungary succeeded him to become king of Poland in personal union with Hungary.

A member of the Jagiellon dynasty, Casimir was born at Wawel, the royal palace in Kraków, and died at Hrodna.

Władysław finally died in 1434, leaving Poland to his elder son, Władysław III, and Lithuania to his younger, Casimir, both still minors at the time.

During the cholera outbreak in 1831, he did not hesitate to take real risks in visiting the sickest cases in the Hôtel-Dieu de Paris, accompanied by Casimir Perier ( who caught the disease and died ).

The fair is traditionally held on the Sunday nearest to St. Casimir's Day, March 4, the day Saint Casimir died.

Similar festivals are also held in Hrodna, Belarus, the city where St. Casimir died, as well as in some cities in Poland following the fall of Communism in Poland.

He died without a legitimate male heir and was succeeded to the Polish throne by his brother, John II Casimir Vasa ( Jan Kazimierz Waza ).

In the 1340s, the Rurikid dynasty died out, and the area passed to King Casimir III of Poland.

* February 23 – Casimir Funk ( died 1967 ), Polish biochemist, coined the term vitamin.

However, when Tüngen died in 1489, the chapter elected Lucas Watzenrode as bishop and Pope Innocent VIII supported Watzenrode against the wishes of Casimir IV Jagiellon, who preferred his son Frederic.

These proved unsuccessful ; his colleague-in-arms Hendrik Casimir, the Frisian stadtholder died in battle during the unsuccessful siege of Hulst in 1640.

He also began work on a campus for the Cracow Academy he founded in 1364, but Casimir died in 1370 and the campus was never completed.

When Jacob died in 1682, his son, Friedrich Casimir, became the next duke.

His brother, Ratibor I of Schlawe-Stolp, founded Stolpe Abbey near this site and ruled Wartislaw's realm in place of his minor nephews, Bogislaw I and Casimir I. Ratibor died in 1155, and Wartislaw's sons agreed to co-rule the duchy from their residences Demmin ( Casimir ) and Stettin ( Bogislaw ).

When Casimir I died in 1180, Bogislaw became the sole duke.

When he died in 1187, his two sons Casimir II and Bogislaw II were still minors, and Stettin castellan Wartislaw ( II ) ruled in their place.

When Casimir II and Bogislaw II died in 1219 and 1220, respectively, their respective sons Wartislaw III ( Pomerania-Demmin ) and Barnim I ( Pomerania-Stettin ) were still minors.

When Casimir died in 1633, his brother Ernst of Saxe-Eisenach ruled in personal union over Saxe-Coburg until his death in 1638.

# Casimir I of Kuyavia ( born between 1210 and 1213 – died 14 Dec 1267 ) Prince of Kuyavia ( 1247 – 1267 )

Her two children died in childhood ( Sigismund Casimir: 1 April 1640 – 9 August 1647 ; Maria Anna Isabella: 8 January 1642 – 1643 ).

A Calvinist, he was appointed to teach the ten year-old Frederick IV, Elector Palatine of the Rhine, by Frederick's Calvinist uncle Johann Casimir of Simmern, as Frederick's father had died in 1583.

Born in Amberg, his father died in October 1583 and Frederick came under the guardianship of his uncle John Casimir, an ardent Calvinist.