Kingdom of Poland

As early as the 6th to the middle of the 10th century, the original commune of West Lav began to gradually disintegrate, Feudal land ownership Generated. In the mid-10th century, the Polish tribes centered around Gniezino gradually unified the other tribes. The Piast Dynasty Grand Duke Mieszko I (circa 960-992) of Piastow established the early feudal state. In 996, Poland accepted Christianity.

In the middle of the 12th century, after the death of Boleslaus III (1102 ~ 1138), due to the development of feudal land ownership by princes, nobles and churches and the rise of cities, the country was divided into several duchies, and Poland entered the feudal period of separation for 200 years. Ladislaus I (reigned 1314-1333) unified Greater Poland, Lesser Poland, and Kujawi, and was crowned King of Poland in Krakow in 1320. Kazimierz III Wielki (reigned 1333-70) reunified Mazovshe. However, West Pommery and East Pommery were also occupied by Brandenburg and Teutonic Knights respectively. Silesia was occupied by the Bohemian crown. In response to the invasion of the Teutonic Knights, the Kingdom of Poland and the Grand Duchy of Lithuania formed a dynastic union (1385), with Jagiellon, Grand Duke of Lithuania, as King of Poland. In 1410, the Polish-Lithuanian army dealt a devastating blow to the Teutonic Knights at the Battle of Grunwald. In 1466, East Pommery was recaptured.

The Kreva Union is united Poland and Republic of Lithuania - Two independent countries under the rule of a single monarch, and the monarch will be the same in both countries. Who ruled Poland for two centuries The Jagiello Dynasty And ruled over Grand Duchy of Lithuania About 400 years of the Gediminez dynasty united in 1569 Lublin Union Later closer.

The recovery of East Pommery, centered on Gdansk, stimulated the export of Polish grain, and the aristocratic estates established servitude estates for the production of commercial grain. Artisanal workshops sprang up in towns. In 1505, Parliament adopted a constitution that gave the king no power to enact laws without Parliament's consent. In the face of Moscow's aggressive expansionism, the parliaments of the Kingdom of Poland and the Grand Duchy of Lithuania passed a united state in Lublin First Polish Republic By a resolution, the capital was moved from Krakow to Warsaw.