Crown of Kingdom Polishball was a historical countryball representing stronk Poland-icon.png Polandball under a series of governments of the Jagiellonian dynasty. Despite his flag not being rectangular shaped, this country is named -ball. The non-ball version is more like an Anschluss form.

From the 12th to the 14th century, ​Poland-Lithuaniaball​ Polandball was in a long period of fragmentation (1138–ca. 1320. During the fragmentation, ​Poland-Lithuaniaball​ lost Silesiaball and Pomeraniaball. After the re-unitary Polandball started to conquer the east territory, Polandball gained a terrain of today Ukraineball's clay, including the cityball of Lwówball.


In the mid-1320s, an agreement between the king of Polandball, Władysław Łokietek, and Grand Duke of Lithuaniaball, Gediminas, was made. Gediminas' daughter, Aldona, married Władysław Łokietek's son and future successor, Casimir III of Poland, in 1325, which led to improved relations between the two kingdoms.

In 1385, the growing threat of the Teutonic Orderball to both countryballs led to a closer alliance - the Polish-Lithuanian union, which marked the end of the long reigning Piast dynasty and the beginning of the Jagiellonian dynasty.

On 10 November 1444, Polandball lost king fighting Kebab in Varnaball, Which resulted in Polandball losing its king for many days. At this point, Polandball became a somewhat Elective Monarchy.

In 1569, the Kingdom of Poland-icon.png Kingdom of Polandball and Grand Duchy of Lithuania-icon.png Grand Duchy of Lithuaniaball merged into a single nation, the Polish-Lithuanian Commenwealthball, marking the ending of the Jagiellonian dynasty.


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