She was the daughter of Boleslav I the Cruel, Duke of Bohemia, whose wife may have been the mysterious Biagota.

In the second half of 964 an alliance between Boleslav I the Cruel, Duke of Bohemia, and Mieszko I of Poland was concluded.

In order to consolidate the agreement, in 965 Boleslav I's daughter Dobrawa was married to Mieszko I.

When, after the death of Emperor Otto I in 973, a struggle for the supremacy in Germany began, both Dobrawa's husband and brother Boleslav II the Pious, Duke of Bohemia, supported the same candidate for the German throne, Duke Henry II of Bavaria.

Mieszko and his people were described around 966 by Abraham ben Jacob, a Sephardi Jewish traveller, who at that time visited the Prague court of Duke Boleslav I the Cruel.

19th century illustration: Mieszko, a former pagan, aided by his christian Czech wife Dobrawa of Bohemia | Dobrawa, daughter of Boleslav I of Bohemia | Boleslaus I, becomes an evangelism | evangelist of Christianity

Probably in 964 Mieszko began negotiations with the Bohemian ruler Boleslav I the Cruel.

After the death of Emperor Otto I in 973 Mieszko, like his brother-in-law, Duke Boleslav II of Bohemia, joined the German opposition in support of the attempted imperial succession of Henry II, Duke of Bavaria.

In 965, before his baptism, Mieszko married Dobrawa ( b. 940 / 45 – d. 977 ), daughter of Boleslav I the Cruel, Duke of Bohemia.

In 973, shortly before the death of emperor Otto I the Great, a Reichstag ( Imperial Convention ) was held at the imperial court in which Mieszko, duke of Poland, and Boleslav, duke of Bohemia, as well as numerous other nobles from as far away as Byzantium and Bulgaria, gathered to pay homage to the emperor.

Wenceslaus I ( ; c. 907 – September 28, 935 ), or Wenceslas I, was the duke ( kníže ) of Bohemia from 921 until his assassination in 935, purportedly in a plot by his own brother, Boleslav the Cruel.

* Boleslaus II the Pious succeeds Boleslav I in Bohemia.

* July 15 – Boleslav I of Bohemia

* Duke Boleslav I of Bohemia makes peace with Otto I.

The eight 1, 000-strong legiones ( divisions ) included three from Bavaria, two from Swabia, one from Franconia and one from Bohemia under Prince Boleslav I.

He was the firstborn son of Mieszko I by his Czech first wife, Dobrawa, daughter of Boleslav I the Cruel, Duke of Bohemia.

Another theory stated that Bolesław I spent some time during the 980s at the court of his maternal uncle, Duke Boleslav II the Pious of Bohemia.

At the end of 985, probably at the instigation of Boleslav II the Pious, Bolesław I married an unknown Hungarian princess with whom he had a son, Bezprym.

Following this Bolesław I aided a pretender, Boleslav III the Red, in gaining the throne.

Bolesław I, claiming the Ducal throne for himself, invaded Bohemia in 1003 and took Prague without any serious opposition, ruling as Boleslav IV for a little over a year.

Shortly afterwards the young emperor waged a retaliatory expedition against Bohemia, forcing in 978 Duke Boleslav into submission.

Boleslav thus succeeded him as the Duke of Bohemia.

Also among those fighting under Otto was Boleslav of Bohemia.

He also ruled as Boleslav IV, Duke of Bohemia during 1002 – 1003.

* Dubrawka, daughter of Duke Boleslav I of Bohemia

Boleslaus I the Cruel, also called Boleslav I () ( – 15 July, 967 or 972 ), was the ruler ( kníže, literally " prince ," but usually translated as " duke ") of Bohemia from 935 to his death.

Boleslav is notorious for the murder of his brother Wenceslaus, through which he became Duke of Bohemia.

The pro-Christian religious policies pursued by Wenceslaus do not appear to have been a cause for Boleslav's fratricide, since Boleslav in no way impeded the growth of Christianity in Bohemia, and in fact actually sent his daughter Mlada, a nun, to the Pope in Rome to ask permission to make Prague a bishopric.

After the Battle of Lech, the rest of the huge Magyar army turned to Bohemia, where it was crushed by Boleslav.

Boleslaus II ( Boleslav II, Boleslaw II, Bolesław II ) may refer to:

Boleslaus I ( also Boleslav I, Boleslaw I, Bolesław I ) may refer to:

Albert was a loyal vassal of his relation, Lothar I, Duke of Saxony, from whom, about 1123, he received the Margraviate of Lusatia, to the east ; after Lothar became King of the Germans, he accompanied him on a disastrous expedition to Bohemia in 1126, when he suffered a short imprisonment.

* 966 – After his marriage to the Christian Dobrawa of Bohemia, the pagan ruler of the Polans, Mieszko I, converts to Christianity, an event considered to be the founding of the Polish state.

With the descendents of Charles I thus either childless ( in the case of William III and Anne ) or Catholic, consideration then fell to the descendants of Elizabeth of Bohemia, the only other child of James I to have reached adulthood.

John XXIII was acknowledged as pope by France, England, Bohemia, Prussia, Portugal, parts of the Holy Roman Empire, and numerous Northern Italian city states, including Florence and Venice ; however, the Avignon Pope Benedict XIII was regarded as pope by the Kingdoms of Aragon, Castile, and Scotland and Gregory XII was still favored by Ladislaus of Naples, Carlo I Malatesta, the princes of Bavaria, Louis III, Elector Palatine, and parts of Germany and Poland.

An accord was made between him and the Bohemian Duke Borivoj I ( reigned 870-95 ); Bohemia was thus freed from the dangers of invasion.

Maria was a daughter of Ferdinand I, Holy Roman Emperor and Anna of Bohemia and Hungary.

* 1230 – King Otakar I of Bohemia ( b. 1155 )

It was everything I thought Bohemia probably was.

Dobrawa's marriage cemented the alliance of Mieszko I with Bohemia, which continued even after her death.

Also, a theory has been advanced ( apparently recorded by Thietmar and supported by Oswald Balzer in 1895 ) that Vladivoj, who ruled as Duke of Bohemia during 1002 – 1003, was another son of Dobrawa and Mieszko I.

He was also Apostolic King of Hungary, Croatia and Bohemia as Francis I.

Poznań and Gniezno were early centres of royal power, but following devastation of the region by pagan rebellion in the 1030s, and the invasion of Bretislaus I of Bohemia in 1038, the capital was moved by Casimir the Restorer from Gniezno to Kraków.

In 1212, King Přemysl Otakar I ( bearing the title " king " since 1198 ) extracted a Golden Bull of Sicily ( a formal edict ) from the emperor Frederick II., confirming the royal title for Otakar and his descendants and the Duchy of Bohemia was raised to a kingdom.

Juana, Isabella's second daughter, married into the Habsburg dynasty when she wed Philip the Handsome, the son of Maximilian I, King of Bohemia ( Austria ) and entitled to the crown of the Holy Roman Emperor.

In 929, with the help of Arnulf of Bavaria, Henry entered Bohemia and forced Duke Wenceslaus I to resume the yearly payment of the tribute to the king.

* 1355 – Charles I of Bohemia is crowned with the Iron Crown of Lombardy as King of Italy in Milan.

After World War I, Czechoslovakia, the predecessor of the Czech Republic and Slovakia, acting to seize what they considered to be German possessions, expropriated the entirety of the Liechtenstein dynasty's hereditary lands and possessions in Bohemia, Moravia, and Silesia which compose the Czech Republic.

Their land, which had probably been part of Great Moravia, and Bohemia, was annexed by Mieszko I some time in late 10th century.

During the reign of Casimir I the Restorer, Kraków for the first time became the capital of Poland ( around 1040 ), since Greater Poland and Silesia, with main Polish urban centers, such as Gniezno and Poznań were ravaged by Duke Bretislaus I of Bohemia.