Following the integration of this treaty, the three kingdoms of Bohemia, Hungary, and Poland met at the First Congress of Visegrad later in 1335 to further discuss the division of land.

Shortly before his death in 992, Mieszko I, the first ruler of Poland, had conquered the Silesian region that stretched along the common border.

Bolesław died the next year and in his testament bequested the newly established Duchy of Silesia to his eldest son Władysław II.

The marriage of his successor Duke Henry II the Pious with Anne of Bohemia, daughter of King Ottokar I, strengthened the ties between the Silesian Piasts and the Bohemian Přemyslid dynasty.

Because the Polish sovereignty was weakening, the occasion arose for the Přemyslids to, once again, expand their sphere of influence into Silesia.

In the renewed struggle over the Polish Seniorate Province upon the sudden death of Duke Henry IV in 1290, King Wenceslaus II of Bohemia forged an alliance with Casimir's brother Bolko I of Opole against the rivaling Polish Piasts Władysław I the Elbow-high and Przemysł II, who finally had to cede Cracow to the Bohemian king one year later.

King Wenceslaus failed at first to gain Polish regality as Przemysł II became High Duke and was crowned in 1295 by Archbishop Jakub Świnka of Gniezno.

He married Przemysł's daughter Elisabeth Richeza and was finally crowned Polish king by Archbishop Jakub Świnka in 1300.

The Polish sovereignty turned to the Piast dynasty again when Władysław I, the elbow-high, began to unite the kingdom under his rule.

Wenceslaus' successors in Bohemia, Henry of Carinthia and Rudolph of Austria also claimed the title of a Polish king but could not prevail.

Count John of Luxembourg, the eldest son of King Henry VII of Germany, married the Přemyslid princess Elizabeth, taking over the power in Prague and also the claims to the Polish throne.

He began to interfere in the Polish-Teutonic War that broke out in Kuyavia and Dobrzyń Land in the aftermath of the 1308 takeover of Gdańsk.

According to historians, a certain variety of Slavic people were gaining notoriety in the Carpathian basin amidst Frankish dominance.

This conflict with the Frankish people continued in 881 when the Hungarians allied with Moravian ruler Svatopluk in a series of two battles against the Franks.

[3] After a long period of raids and battles led against a number of kingdoms, Hungarians decided to pursue a greater purpose.

Using pieces of novelistic speculation from a former notary of King Bela III (1172 - 1196), historians have been able to form an educated hypothesis about the events in the Carpathian basin.

The formation of this alliance provided some of the most detailed pieces of information regarding the foreign policy of Hungary and the internal affairs of Central Europe.

However, a phrase more commonly found in medieval Polish sources is “duces et principes Poloniae” or “the dukes and princes of Poland”.

The next year, Poland would convert to Latin Christianity, allowing Mieszko to take advantage of the many military and political resources of the German Empire, an action that would have been inconceivable prior to conversion.

Following his death, Boleslaw III Wrymouth’s sons from his second wife joined forces against his successor Wladyslaw II.

In 1305, Lokietek, former Silesian duke, was able to acquire Hungarian territories thanks to Hungary’s support of Charles I of Anjou in his desire for the throne.

In 1308 he called upon the Teutonic Knights to help retake the castle of Gdansk from Otto and Waldemar, margraves of Germany.

In an attempt to establish stability within Poland, Casimir renewed the truce with the knights, setting up his rule only two year prior to the signing of the Treaty of Trencin.

In August of that year, with the support of King John of Bohemia, Charles was able to maintain Silesia with the signing of the Treaty of Trencin.

Casimir III resorted to sue the Teutonic Order at the Roman Curia and settled the rising conflict with King John of Bohemia by the provisory Trentschin treaty on St Bartholomew's Day 1335.

He signed an inheritance treaty whereupon the death of his widow Agnes of Austria, 1392, the Duchy of Jawor would finally fall to Bohemia.

The Silesian dukes became indirect vassals of the Holy Roman Empire with no immediate status and no representation at the Imperial Diet.

Archduchess Maria Theresa, Bohemian queen from 1740 on, lost most of the Silesian crown land in the 1742 Treaty of Breslau.