The Duchy of Czersk was a

feudal Feudalism, also known as the feudal system, was the combination of the legal, economic, military, cultural and political customs that flourished in Middle Ages, medieval Europe between the 9th and 15th centuries. Broadly defined, it was a wa ...

district duchy in

Masovia Mazovia or Masovia ( pl, Mazowsze) is a historical region in mid-north-eastern Poland. It spans the North European Plain, roughly between Łódź and Białystok, with Warsaw being the unofficial capital and largest city. Throughout the centurie ...

, centered on the

Czersk Land Czersk Land (Polish: ziemia czerska, named after the town of Czersk) was an administrative unit (ziemia) of the Kingdom of Poland and the Polish–Lithuanian Commonwealth. With its capital in the town of Czersk, it belonged to the Masovian Voivodesh ...

. Its capital was

Czersk Czersk (; ; formerly german: Czersk, (1942-5): ) is a town in northern Poland in Chojnice County, Pomeranian Voivodeship. As of December 2021, the town has a population of 9,844. Today the center of the city of Czersk in is the Village Square. ...

. The country was established in 1275, in the partition of the

Duchy of Masovia Duchy of Masovia was a district principality and a fiefdom of the Kingdom of Poland, existing during the Middle Ages. The state was centered in Mazovia in the northeastern Kingdom of Poland, and during its existence, its capital was located in ...

, with duke

Konrad II Conrad II ( – 4 June 1039), also known as and , was the emperor of the Holy Roman Empire from 1027 until his death in 1039. The first of a succession of four Salian emperors, who reigned for one century until 1125, Conrad ruled the kingdoms ...

becoming its ruler.Agnieszka Teterycz-Puzio, ''Piastowskie księżne regentki O utrzymanie władzy dla synów (koniec XII w. - początek XIV w.)'', p. 163-165. After his death,the duchy was unified with the

Duchy of Płock The Duchy of Płock was a feudal district duchy in Masovia, centered on the Płock Land. Its capital was Płock. It existed in the High Middle Ages era, from 1275 to 1294, from 1310 to 1351, and from 1381 to 1462. History The country was esta ...

, forming the

, on 24 June 1294. The state was again reestablished in 1310, with Trojden I, as its first ruler. It existed until 5 November 1370, when, under the rule of duke Siemowit III, duchies of Czersk,

Rawa The Revolutionary Association of the Women of Afghanistan (RAWA) (Persian:جمعیت انقلابی زنان افغانستان, ''Jamiʿat-e Enqelābi-ye Zanān-e Afghānestān'', Pashto:د افغانستان د ښڅو انقلابی جمعیت) ...

, and

Warsaw Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland, and its population is officia ...

were unified into the

. It was once again reestablished in 1471, from the part of the territories of the duchies of Płock and Warsaw. In 1488, it incorporated the Duchy of Warsaw, into its territory. It existed until 1495, when, with the incorporation of the Duchy of Płock into the

Kingdom of Poland The Kingdom of Poland ( pl, Królestwo Polskie; Latin: ''Regnum Poloniae'') was a state in Central Europe. It may refer to: Historical political entities *Kingdom of Poland, a kingdom existing from 1025 to 1031 *Kingdom of Poland, a kingdom exist ...

, it remained the only state in Masovia, and subsequently, got reformed into the Duchy of Masovia.Adam Bujak, ''Nekropolie królów i książąt polskich'' Between 1275 and 1294, it was an independent state, while from 1310 to 1320, it was a

fief A fief (; la, feudum) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an Lord, overlord to a vassal, who held it in fealty or "in fee" in return for a for ...

dom within the

, and from 1320 to 1370 a fiefdom of the

United Kingdom of Poland The period of rule by the Piast dynasty between the 10th and 14th centuries is the first major stage of the history of Poland, history of the Polish state. The dynasty was founded by a series of dukes listed by the chronicler Gall Anonymous in t ...

, and from 1471 to 1495, a fiefdom of the

Crown of the Kingdom of Poland The Crown of the Kingdom of Poland ( pl, Korona Królestwa Polskiego; Latin: ''Corona Regni Poloniae''), known also as the Polish Crown, is the common name for the historic Late Middle Ages territorial possessions of the King of Poland, includ ...

List of rulers

First state

Konrad II of Masovia Konrad II of Czersk (pl: ''Konrad II czerski''; c. 1250 – 24 June/21 October 1294 assumed that both dates are equally likely), was a Polish prince member of the House of Piast, Duke of Masovia during 1264-1275 jointly with his brother, after 127 ...

(1275–1294)

Second state

* Trojden I (1310–1341) * Siemowit III and

Casimir I of Warsaw Casimir I of Warsaw (pl: ''Kazimierz I warszawski''; 1329/31 – 26 November/5 December 1355J. Grabowski: ''Dynastia Piastów mazowieckich'', Kraków 2012, p. 444.), was a Polish prince, member of the House of Piast, Duke of Czersk 1341-1349 jointly ...

(1341–1349) *

(1349–1355) * Siemowit III (1355–1370)

Third state

Konrad III Rudy Konrad III Rudy, also known in English as Konrad the Red (1447/48 – 28 October 1503), was a Polish prince and member of the Piast dynasty in the Masovian branch. He was a duke of Czersk, Liw, Warsaw, Nur, Łomża, Ciechanów, Różan, Zakr ...

(1471–1495)

Citations

Notes

References

Bibliography

*Agnieszka Teterycz-Puzio, ''Piastowskie księżne regentki O utrzymanie władzy dla synów (koniec XII w. - początek XIV w.)''. *Agnieszka Teterycz-Puzio, ''Bolesław II Mazowiecki''. *Janusz Grabowski, ''Dynastia Piastów Mazowieckich''. *Anna Suprunik, ''Mazowsze Siemowitó''. *Adam Bujak, ''Nekropolie królów i książąt polskich''. Warsaw. Wydawnictwo Sport i Turystyka. 1988. ISBN 83-217-2720-4. {{DEFAULTSORT:Czersk, Duchy of Former countries in Europe Former monarchies of Europe Duchies of Poland Fiefdoms of Poland History of Poland during the Piast dynasty History of Masovia 13th-century establishments in Poland 13th-century disestablishments in Poland 14th-century establishments in Poland 14th-century disestablishments in Poland 15th-century establishments in Poland 15th-century disestablishments in Poland States and territories established in 1275 States and territories disestablished in 1294 States and territories established in 1310 States and territories disestablished in 1370 States and territories established in 1471 States and territories disestablished in 1495 Former duchies