The castle was completed in 1251.

In 1250, Mindaugas entered into an agreement with the Teutonic Order ; he consented to receive baptism ( the act took place in 1251 ) and relinquish control over some lands in western Lithuania, for which he was to receive a crown in return.

In 1250 or 1251, during the course of internal power struggles, he was baptised as a Roman Catholic ; this action enabled him to establish an alliance with the Livonian Order, a long-standing antagonist of the Lithuanians.

Vykintas died in 1251 or 1252, and Tautvilas was forced to rejoin Daniel of Galicia.

In December 1251, he was created Cardinal Deacon of San Adriano by his uncle Pope Innocent IV.

From 1251 – 53 the Pope stayed at Perugia until it was safe for him to bring the papal court back to Rome.

At the time, it was known as the Year of the Consulship of Paulinus and Scytha ( or, less frequently, year 1251 Ab urbe condita ).

On 7 May 1251 Avignon was made a common possession of counts Charles of Anjou and Alphonse de Poitiers, brothers of French king Saint Louis IX.

Year 1251 ( MCCLI ) was a common year starting on Sunday ( link will display the full calendar ) of the Julian calendar.

Although the young prince was seriously ill on several occasions, in 1246, 1247, and 1251, he grew up to be strong and healthy.

This may refer to the statutes of the Charter of Winchester ( 1251 ), though it is sometimes considered to be a reference to the more equitable days of King Alfred the Great, when Winchester was the capital of England.

The town proper was officially founded in 1251, after the conquest of the Moorish Kingdom of Valencia by King James I of Aragon in 1233.

James granted royal permission to move the town from the mountain to the plain on September 8, 1251, and tradition claims that the move was completed by the third Sunday of Lent, 1252.

In 1251 he protested against a papal mandate enjoining the English clergy to pay Henry III one-tenth of their revenues for a crusade ; and called attention to the fact that, under the system of provisions, a sum of 70, 000 marks was annually drawn from England by the alien nominees of Rome.

He was betrothed to Princess Kristina of Norway in 1251.

Herborn had its first documentary mention in 1048 and was granted the privilege of a city in 1251 by the Counts of Nassau.

In 1251 a market charter was granted by King Henry III of England to John de Huddleston, Lord of Millom.

The exact years of her birth and death are unclear ; a traditional year quoted for her death is 26 October 1252 ; it is also considered, though, that this was the date of her burial, and that she had actually died in 1251.

Also in 1251, the first treaty with Norway was signed in Novgorod regarding the Sami lands and the system of tribute collections, making the Sami people pay tribute to both Novgorod and Norway.

1251, suffered heavily under pressure of the concurrent town, and was finally destroyed ca.

In the course of the fragmentation under Duke Bolesław II the Bald and his younger brother, the Duchy of Głogów under Duke Konrad I was established in 1251.

The carving of these wood blocks was initiated in 1236 and completed in 1251.

It is thought that little work took place on the permanent stone monastery until the house was taken under the wing of Henry III, who became interested in the abbey in the mid-1240s and eventually assumed the role of patron in 1251.

It was recorded as Bothelton in 1212, Bowelton in a charter granted by Henry III in 1251, Botelton in 1257, Boulton in 1288, and Bolton after 1307.

Ye Olde Man & Scythe in Bolton is mentioned by name in a charter of 1251, but the current building is dated 1631.

Its first known member is mentioned in 1251 as Wernherus Pincerna de Celle, who in 1255 was appointed to the ceremonial court office of Schenk ( cupbearer, sommelier, butler ) with the Counts of Zollern.

In 1251 it was mentioned as Saubra.

* Buckenhofen ( on the left bank of the Regnitz ; first mentioned in documents in 1251, but likely older ; has about 4, 500 inhabitants )

Wambresia was first mentioned in a 1251 Prussian Document ( Preussische Regeste ) issued at Kulmsee.

Earlier recorded versions of the name are Aidele ( 1086 ), Heydale ( 1251 ), Eydale ( 1275 ), Eydal ( 1285 ) and Edall ( 1550 ).

1237 – 1275 ), called the Fair ( le Beau ), was the Prince of Antioch and Count of Tripoli from 1251 until his death.

At the marriage of Alexander to Margaret of England in 1251, Henry III of England seized the opportunity to demand from his son-in-law homage for the Scottish kingdom, but Alexander did not comply.

Alexander had married Princess Margaret of England, a daughter of King Henry III of England and Eleanor of Provence, on 26 December 1251.

* Violant of Hungary or Yolanda ( c. 1215 – 12 October 1251 ), wife of King James I of Aragon

Andrew's report to his sovereign, whom he rejoined in 1251 at Caesarea in the Palestine, appears to have been a mixture of history and fable ; the latter affects his narrative of the Mongols ' rise to greatness, and the struggles of their leader Genghis Khan with Prester John ; it is still more evident in the position assigned to the Mongols ' homeland, close to the prison of Gog and Magog.

Exxon sold the Exxon Building ( 1251 Avenue of the Americas ), its former headquarters in Rockefeller Center, to a unit of Mitsui Real Estate Development Co. Ltd. in 1986 for $ 610 million.

On July 17, 1251, Pope Innocent IV signed two papal bulls, ordering the Bishop of Chełmno to crown Mindaugas as King of Lithuania, appoint a bishop for Lithuania, and build a cathedral.

In 1250 or 1251, Mindaugas agreed to receive baptism and relinquish control over some lands in western Lithuania, in return for an acknowledgment by Pope Innocent IV as king.

On 17 July 1251, the pope signed two crucial papal bulls.

Internal conflicts persisted ; during the spring or summer of 1251, Tautvilas and his remaining allies attacked Mindaugas ' warriors and the Livonian Order's crossbow-men in Voruta Castle.

Frederick II managed to negotiate safe passage for pilgrims from Acre in 1229, and in 1251, Louis IX, the king of France, attended mass in the grotto, accompanied by his wife.

After several unsuccessful campaigns against the pagan Semigallian duke Viestards and his Samogitian kinsfolk, the Roman Curia decided in 1251 to abolish the Bishopric of Semigallia, and divided its territories between the Bishopric of Rīga and the Order of Livonia.

A document dated to 1251 has the reference illud occultum judicium, quod vulgariter vehma seu vridinch appellari consuevit.

* Hōjō Tokimune, regent of Japan ( b. 1251 )

* 1251 – Möngke Khan is elected as the fourth khan of the Mongol Empire.

* 1251 – Andrew of Longumeau, dispatched two years earlier by King Louis IX of France as an ambassador to the Mongols, returns to his king with reports from the Mongols and Tartary ; his mission is considered a failure.

* 1251 – The German city of Berlin, founded some fifty years earlier, receives its city charter.