Bolesław's expansive rule overstretched early Poland's abilities and was followed by a collapse of the monarchy. Restoration took place under Casimir I (1039–58). Casimir's son Bolesław II the Bold (1058–79) became fatally involved in a conflict with Bishop Stanislaus of Szczepanów, had him executed in 1079 and was expelled from the country.
He also became the ruler of Yotvingia, Semigalia and eastern Prussia. Friendly relations with Poland followed, and in 1279, Tradenis' daughter Gaudemunda of Lithuania married Bolesław II of Masovia, a Piast duke.   Pagan Lithuania was a target of northern Christian crusades of the Teutonic Knights and the Livonian Order. 
Jazdów was raided twice—in 1262 by Lithuanians, in 1281 by the Płock prince Bolesław II of Masovia. Then, a new similar settlement was established on the site of a small fishing village called Warszowa, c. 3.5 kilometres (2.2 mi) north of Jazdów—by the same prince Bolesław II.
Bolesław-Jerzy II. Bolesław-Jerzy II (1305/1310 – April 7, 1340) was a ruler of the Polish Piast dynasty who ruled the originally Ruthenian principality of Galicia. New!!: Casimir III the Great and Bolesław-Jerzy II · See more » Brandenburg
He also became the ruler of Yotvingia, Semigalia and eastern Prussia. Friendly relations with Poland followed, and in 1279, Tradenis' daughter Gaudemunda of Lithuania married Bolesław II of Masovia, a Piast duke. Pagan Lithuania was a target of northern Christian crusades of the Teutonic Knights and the Livonian Order.
After pagan revolts and a Bohemian invasion in the 1030s, Duke Casimir I the Restorer (reigned 1040-1058) again united most of the former Piast realm, including Silesia and Lubusz Land on both sides of the middle Oder River, but without Western Pomerania, which became part of the Polish state again under Bolesław III Wrymouth from 1116 until ...
After Henry II the Pious died in 1241, he left behind five sons. Mieszko was the oldest but he died in 1242. Bolesław II the Horned was the oldest of the remaining four sons. Bolesław II the Horned inherited his father’s duchy. Bolesław II the Horned did not attempt to seize the Duchy of Kraków. He had Greater Poland at first, but he lost it.
Mieszko II; collapse of the reign. After Bolesław's death his son, King Mieszko II Lambert (990-1034), tried to continue his father's politics, having his kingdom act as an interventionist great power. This reinforced much of the old resentment and hostility on the part of Poland's neighbors, which Mieszko's two dispossessed brothers took ...
The State of the Teutonic Order (German: Staat des Deutschen Ordens; Latin: Civitas Ordinis Theutonici), also called Deutschordensstaat (German: [ˈdɔʏtʃʔɔʁdn̩sˌʃtaːt]) or Ordensstaat ([ˈɔʁdn̩sˌʃtaːt]) was a medieval crusader state, located in Central Europe along the southeastern shore of the Bal
Bolesław II the Horned), Duke of Kraków in 1241, of Southern Greater Poland 1241 –1247, and of all Silesia–Wrocław 1241-1248 Boleslaus II of Masovia (c. 1251 Livonian campaign against Rus' (648 words) [view diff] exact match in snippet view article find links to article
- related to: bolesław ii of masovia full form 1040