 during the last years of his father's reign. Mieszko I, who died in 992, divided Poland among his sons, but Bolesław expelled his father's last wife, Oda of Haldensleben, and his half-brothers and reunited Poland between 992 and 995.
Richeza of Lotharingia was a German noblewoman by birth, a member of the Ezzonen dynasty. She married Duke Mieszko II Lambert, later King of Poland, becoming Queen of Poland. She returned to Germany following the deposition of her husband in 1031, later becoming a nun, and today is revered as Blessed Richeza of Lotharingia.
Gniezno is a city in central-western Poland, about 50 kilometres east of Poznań, with 68,943 inhabitants making it the sixth-largest city in the Greater Poland Voivodeship. One of the Piast dynasty's chief cities, it was the first historical capital of Poland in the 10th century and early 11th century, it was mentioned in 10th-century sources, possibly including the Dagome Iudex, as the capital of Piast Poland. The Roman Catholic archbishop of Gniezno is the primate of Poland, making it the country's ecclesiastical capital. It has belonged since 1999 to the Greater Poland Voivodeship, and is the administrative seat of Gniezno County (powiat).
The Piast dynasty or house of Piast was the first historical ruling dynasty of Poland. The first documented Polish monarch was Duke Mieszko I. The Piasts' royal rule in Poland ended in 1370 with the death of king Casimir III the Great.
The Congress of Gniezno was an amical meeting between the Polish Duke Bolesław I the Brave and Emperor Otto III, which took place at Gniezno on 11 March 1000. Scholars disagree over the details of the decisions made at the convention, especially whether the ruler of Poland was pledged the king's crown or not.
Łowicz is a town in central Poland with 28,811 inhabitants (2016). It is situated in the Łódź Voivodeship ; previously, it was in Skierniewice Voivodeship (1975–1998). Together with a nearby station of Bednary, Łowicz is a major rail junction of central Poland, where the line from Warsaw splits into two directions - towards Poznań, and Łódź. Also, the station Łowicz Main is connected through a secondary-importance line with Skierniewice.
The Metropolitan Cathedral of Saints Vitus, Wenceslaus and Adalbert is a Roman Catholic metropolitan cathedral in Prague, the seat of the Archbishop of Prague. Until 1997, the cathedral was dedicated only to Saint Vitus, and is still commonly named only as St. Vitus Cathedral.
The Kingdom of Poland was the Polish state from the coronation of the first King Bolesław I the Brave in 1025 to the union with Lithuania and the rule of the Jagiellonian dynasty in 1385.
The Archcathedral Basilica of St. Peter and St. Paul in Poznań is one of the oldest churches in Poland and the oldest Polish cathedral, dating from the 10th century. It stands on the island of Ostrów Tumski north-east of the city centre.
The Archdiocese of Gniezno is the oldest Latin Catholic archdiocese in Poland, located in the city of Gniezno. The ecclesiastical province comprises the suffragan dioceses of Bydgoszcz and Włocławek.
St. John's Archcathedral in Warsaw is a Roman Catholic church in Warsaw's Old Town. St. John's is one of three cathedrals in Warsaw, but the only one which is also an archcathedral. It is the mother church of the archdiocese of Warsaw. St. John's Archcathedral is one of Poland's national pantheons and stands immediately adjacent to Warsaw's Jesuit church. Along with the city, the church has been listed by UNESCO as of cultural significance.
The Cathedral of St. John the Baptist in Wrocław,, is the seat of the Roman Catholic Archdiocese of Wrocław and a landmark of the city of Wrocław in Poland. The cathedral, located in the Ostrów Tumski district, is a Gothic church with Neo-Gothic additions. The current standing cathedral is the fourth church to have been built on the site.
The Bishopric of Lebus was a Roman Catholic diocese of Poland and later an ecclesiastical territory of the Holy Roman Empire. It existed from 1125 until 1598. The diocese encompassed areas on both sides of