Founding
historical country (1138–1227)
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The period of rule by the Piast dynasty between the 10th and 14th centuries is the first major stage of the history of the Polish state. The dynasty was founded by a series of dukes listed by the chronicler Gall Anonymous in the early 12th century: Siemowit, Lestek and Siemomysł. It was Mieszko I, the son of Siemomysł, who is considered the founder of the Polish state. Mieszko converted to Christianity of the Western Latin Church in an event known as the Baptism of Poland in 966. His acceptance of Christianity marked the formal beginning of Polish statehood, which was recognized by the Papacy and other Christian states of Europe. The Papal incipit titled Dagome iudex, first defined Poland's geographical boundaries and affirmed that Mieszko was under the protection of the Apostolic See. Mieszko also completed a unification of the Lechitic tribal lands that was fundamental to the existence of the new country of Poland. The ruling house then remained in power in the Polish lands until 1370.
Following the emergence of the Polish state, a series of rulers converted the population to Christianity, created a kingdom of Poland in 1025 and integrated Poland into the prevailing culture of Europe. Mieszko's son Bolesław I the Brave established a Roman Catholic Archdiocese in Gniezno, pursued territorial conquests and was officially crowned in 1025 as the first king of Poland. The first Piast monarchy collapsed with the death of Mieszko II Lambert in 1034, followed by its restoration under Casimir I the Restorer in 1042. In the process, the royal dignity of Polish rulers was forfeited, and the state reverted to the status of a duchy. Duke Casimir's son Bolesław II the Bold revived the military assertiveness of Bolesław I the Brave, but became fatally involved in a conflict with Bishop Stanislaus of Szczepanów and was expelled from the country.
Bolesław III Wrymouth, the last duke of the early period, succeeded in defending his country and recovering territories previously lost. Upon his death in 1138, Poland was divided among his sons. The resulting internal fragmentation eroded the initial Piast monarchical structure in the 12th and 13th centuries and caused fundamental and lasting changes.
Konrad I of Masovia invited the Teutonic Knights to help him fight the Baltic Prussian pagans, which led to centuries of Poland's warfare with the Knights and the German Prussian state.
In 1320, the kingdom was restored under Władysław I the Elbow-high, then strengthened and expanded by his son Casimir III the Great. The western provinces of Silesia and Pomerania were lost after the fragmentation, and Poland began expanding to the east. The period ended with the reigns of two members of the Capetian House of Anjou between 1370 and 1384. The consolidation in the 14th century laid the base for the new powerful kingdom of Poland that was to follow.
The tribe of the Polans (Polish: Polanie; lit. 'people of the fields') in what is now Greater Poland gave rise to a tribal predecessor of the Polish state in the early part of the 10th century, with the Polans settling in the flatlands around the emerging strongholds of Giecz, Poznań, Gniezno and Ostrów Lednicki. Accelerated rebuilding of old tribal fortified settlements, construction of massive new ones and territorial expansion took place during the period c. 920–950. The Polish state developed from these tribal roots in the second half of the century. According to the 12th century chronicler Gallus Anonymus, the Polans were ruled at this time by the Piast dynasty. In existing sources from the 10th century, Piast ruler Mieszko I was first mentioned by Widukind of Corvey in his Res gestae saxonicae, a chronicle of events in Germany. Widukind reported that Mieszko's forces were twice defeated in 963 by the Veleti tribes acting in cooperation with the Saxon exile Wichmann the Younger. Under Mieszko's rule (c. 960 to 992), his tribal state accepted Christianity and became the Polish state.
The viability of the Mieszko's emerging state was assured by the persistent territorial expansion of the early Piast rulers. Beginning with a very small area around Gniezno (before the town itself existed), the Piast expansion lasted throughout most of the 10th century and resulted in a territory approximating that of present-day Poland. The Polanie tribe conquered and merged with other Slavic tribes and first formed a tribal federation, then later a centralized state. After the addition of Lesser Poland, the country of the Vistulans, and of Silesia (both taken by Mieszko from the Czech state during the later part of the 10th century), Mieszko's state reached its mature form, including the main regions regarded as ethnically Polish. The Piast lands totaled about 250,000 km2 (96,526 sq mi) in area, with an approximate population of under one million.
Initially a pagan, Mieszko I was the first ruler of the Polans tribal union known from contemporary written sources. A detailed account of aspects of Mieszko's early reign was given by Ibrahim ibn Yaqub, a Jewish traveler, according to whom Mieszko was one of four Slavic "kings" established in central and southern Europe in the 960s. In 965, Mieszko, who was allied with Boleslaus I, Duke of Bohemia at the time, married the duke's daughter Doubravka of Bohemia, a Christian princess. Mieszko's conversion to Latin Christianity followed on 14 April 966, an event known as the Baptism of Poland that is considered to be the founding event of the Polish state. In the aftermath of Mieszko's victory over a force of the Velunzani in 967, which was led by Wichmann, the first missionary bishop was appointed: Jordan, bishop of Poland. The action counteracted the intended eastern expansion of the Magdeburg Archdiocese, which was established at about the same time.
Mieszko's state had a complex political relationship with the German Holy Roman Empire, as Mieszko was a "friend", ally and vassal of Holy Roman Emperor Otto I and paid him tribute from the western part of his lands. Mieszko fought wars with the Polabian Slavs, the Czechs, Margrave Gero of the Saxon Eastern March in 963–964 and Margrave Odo I of the Saxon Eastern March in 972 in the Battle of Cedynia. The victories over Wichmann and Odo allowed Mieszko to extend his Pomeranian possessions west to the vicinity of the Oder River and its mouth. After the death of Otto I, and then again after the death of Holy Roman Emperor Otto II, Mieszko supported Henry the Quarrelsome, a pretender to the imperial crown. After the death of Doubravka in 977, Mieszko married Oda of Haldensleben, daughter of Dietrich, Margrave of the Northern March, c. 980. When fighting the Czechs in 990, Mieszko was helped by the Holy Roman Empire. By about the year 990, when Mieszko I officially submitted his country to the authority of the Holy See (Dagome iudex), he had transformed Poland into one of the strongest powers in central-eastern Europe.
One of the most important concerns of Bolesław's early reign was building up the Polish church. Bolesław cultivated Adalbert of Prague of the Slavník family, a well-connected Czech bishop in exile and missionary who was killed in 997 while on a mission in Prussia. Bolesław skillfully took advantage of his death: his martyrdom led to his elevation as patron saint of Poland and resulted in the creation of an independent Polish province of the Church with Radim Gaudentius as Archbishop of Gniezno. In the year 1000, the young Emperor Otto III came as a pilgrim to visit St. Adalbert's grave and lent his support to Bolesław during the Congress of Gniezno; the Archdiocese of Gniezno and several subordinate dioceses were established on this occasion. The Polish ecclesiastical province effectively served as an essential anchor and an institution to fall back on for the Piast state, helping it to survive in the troubled centuries ahead.
Bolesław at first chose to continue his father's policy of cooperation with the Holy Roman Empire but when Emperor Otto III died in 1002, Bolesław's relationship with his successor Henry II turned out to be much more difficult, and it resulted in a series of wars (1002–1005, 1007–1013, 1015–1018). From 1003 to 1004, Bolesław intervened militarily in Czech dynastic conflicts. After his forces were removed from Bohemia in 1018, Bolesław retained Moravia. In 1013, the marriage between Bolesław's son Mieszko II Lambert and Richeza of Lotharingia, the niece of Emperor Otto III and future mother of Casimir I the Restorer, took place. The conflicts with Germany ended in 1018 with the Peace of Bautzen on favorable terms for Bolesław. In the context of the 1018 Kiev expedition, Bolesław took over the western part of Red Ruthenia. In 1025, shortly before his death, Bolesław I finally succeeded in obtaining the papal permission to crown himself, and he became the first king of Poland.
Bolesław's expansionist policies were costly to the Polish state and were not always successful. He lost, for example, the economically crucial Farther Pomerania in 1005 together with its new bishopric in Kołobrzeg; the region had previously been conquered with great effort by Mieszko.
King Mieszko II Lambert (r. 1025–1034) tried to continue the expansionist politics of his father. His actions reinforced old resentment and hostility on the part of Poland's neighbors, and his two dispossessed brothers took advantage of it by arranging for invasions from Germany and Kievan Rus' in 1031. Mieszko was defeated and forced to leave Poland. Mieszko's brother Bezprym was murdered in 1032, whereas his brother Otto died in unclear circumstances in 1033, events that permitted Mieszko to recover his authority partially. The first Piast monarchy then collapsed with Mieszko's death in 1034. Deprived of a government, Poland was ravaged by an anti-feudal and pagan rebellion, and in 1039, there was an invasion by the forces of Bretislaus I of Bohemia. The country suffered territorial losses, and the functioning of the Gniezno archdiocese was disrupted.
Poland made a recovery under Mieszko's son, Duke Casimir I (r. 1039–1058), known to history as the Restorer. After returning from exile in 1039, Casimir rebuilt the Polish monarchy and the country's territorial integrity through several military campaigns: in 1047, Masovia was taken back from Miecław, a Polish noble who tried to detach the region from the rule of the Polish monarch, and in 1054 Silesia was recovered from the Czechs. Casimir was aided by recent adversaries of Poland, the Holy Roman Empire and Kievan Rus', both of whom disliked the chaos in Poland left after the dismemberment of the country beginning in the reign of Mieszko II. Casimir introduced a more mature form of feudalism and relieved the burden of financing large army units from the duke's treasury by settling his warriors on feudal estates. Faced with the widespread destruction of Greater Poland after the Czech incursion, Casimir moved his court to Kraków and replaced the old Piast capitals of Poznań and Gniezno; Kraków would function as the capital of the realm for several centuries.
Casimir's son Bolesław II the Bold, also known as the Generous (r. 1058–1079), developed Polish military strength and waged several foreign campaigns between 1058 and 1077. As an active supporter of the papacy in its Investiture Controversy with the German emperor, Bolesław crowned himself king in 1076 with the blessing of Pope Gregory VII. In 1079, there was an anti-Bolesław conspiracy or conflict that involved the Bishop of Kraków. Bolesław had Bishop Stanislaus of Szczepanów executed; subsequently, Bolesław was forced to abdicate the Polish throne due to pressure from the Catholic Church and the pro-imperial faction of the nobility. Stanisłaus would become the second martyr and patron saint of Poland (known in English as St. Stanislav), canonised in 1253.
After Bolesław's exile, the country found itself under the unstable rule of his younger brother Władysław I Herman (r. 1079–1102). Władysław was strongly dependent on Count Palatine Sieciech, an advisor from the ranks of the Polish nobility who acted much as the power behind the throne. When Władysław's two sons, Zbigniew and Bolesław, finally forced Władysław to remove his hated protégé, Poland was divided among the three of them from 1098, and after the father's death, from 1102 to 1106, it was divided between the two brothers.
After a power struggle, Bolesław III Wrymouth (r. 1102–1138) became the duke of Poland by defeating his half-brother Zbigniew in 1106–1107. Zbigniew had to leave the country, but received support from the Holy Roman Emperor Henry V, who attacked Bolesław's Poland in 1109. Bolesław was able to defend his realm due to his military abilities, determination and alliances, and also because of a societal mobilisation across the social spectrum (see Battle of Głogów). Zbigniew, who later returned, died in mysterious circumstances, perhaps in the summer of 1113. Bolesław's other major achievement was the conquest of all of Mieszko I's Pomerania (of which the remaining eastern part had been lost by Poland from after the death of Mieszko II), a task begun by his father Władysław I Herman and completed by Bolesław around 1123. Szczecin was subdued in a bloody takeover and Western Pomerania up to Rügen, except for the directly incorporated southern part, became Bolesław's fief, to be ruled locally by Wartislaw I, the first duke of the Griffin dynasty.
At this time, Christianisation of the region was initiated in earnest, an effort crowned by the establishment of the Pomeranian Wolin Diocese after Bolesław's death in 1140.
Text from the Wikipedia article “Duchy of Poland (1138–1227)”, available under CC BY-SA 4.0.