* 1054 – Siward, Earl of Northumbria invades Scotland and defeats Macbeth, King of Scotland somewhere north of the Firth of Forth.

An English invasion in 1054, with Siward, Earl of Northumbria, in command, had as its goal the installation of one " Máel Coluim, son of the King of the Cumbrians ".

Soon after her birth on 9 April 1054, Judith was betrothed to Philip, eldest son and heir of King Henry I of France.

Atiśa Dīpaṃkara Śrījñāna ( Ôtish Dipôngkor Srigên, IAST: ; ) ( 980 – 1054 CE ) was a Buddhist teacher from the Pala Empire who, along with Konchog Gyalpo and Marpa, was one of the major figures in the establishment of the Sarma lineages in Tibet after the repression of Buddhism by King Langdarma ( Glang Darma ).

In late January, early February 1054, Count Geoffrey and King Henry together invaded Normandy and marched down the Seine toward Rouen.

The Battle of Atapuerca was fought in 1 September 1054 at the site of Piedrahita (" standing stone ") in the valley of Atapuerca between two brothers, King García Sánchez III of Navarre and King Ferdinand I of Castile.

Sancho IV Garcés ( c. 1038 – 4 June 1076 ), called Sancho of Peñalén () or Sancho the Noble, was King of Navarre from 1054 to 1076.

In 1054 Edward sent Siward to invade Scotland.

Since the time of the historian Edward Gibbon, the split between the Church of Rome and the Orthodox Church has been conveniently dated to 1054, though the reality is more complex.

In 1054, the English king Edward the Confessor dispatched Earl Siward of Northumbria against the Scots, ruled by Mac Bethad mac Findláich ( Macbeth ), along with an otherwise unknown " Malcolm son of the king of the Cumbrians ", in Strathclyde.

It is far from certain that Eógan died at Carham, and it is reasonably certain that there were kings of Strathclyde as late as the 1054, when Edward the Confessor sent Earl Siward to install " Máel Coluim son of the king of the Cumbrians ".

Leo IX sent a letter to Michael Cærularius, Patriarch of Constantinople, in 1054, that cited a large portion of the Donation of Constantine, believing it genuine.

The first pope to invoke it was Pope Leo IX, in a letter sent in 1054 to Michael I Cerularius, Patriarch of Constantinople.

In 1054, Pope Leo IX sent a letter to Michael Cærularius, Patriarch of Constantinople, that cited a large portion of the forgery called the Donation of Constantine, believing it genuine.

The first pope to use it was Pope Leo IX in a letter sent in 1054 to Michael I Cerularius, Patriarch of Constantinople, in which he cited a large portion of the document, believing it genuine.

He had been taken as a young child to Hungary, and in 1054 Bishop Ealdred of Worcester visited the Holy Roman Emperor, Henry III to secure his return, probably with a view to becoming Edward's heir.

The two were married in 1053 or 1054 in the church of San Pietro at Mantua by Pope Leo IX himself as he returned from a trip to Germany.

They had been separated since the Schism of 1054, but the emperor hoped to use the possibility of re-uniting the churches to obtain help from Western Europe against the Turks.

The Song official Tong Guan ( 1054 – 1126 ) advised Emperor Huizong ( 1100 – 1125 ) to form an alliance with the Jurchens, and their joint military campaign toppled and completely conquered the Liao Dynasty by 1125.

In 1054 in Quedlinburg, the Emperor ruled that Silesia was to remain in Poland in exchange for a yearly tribute of 117 kg.

The whole discussion was cut short by the death of both Pope ( 1054 ) and Emperor ( 1056 ).

The name of the country was changed to Đại Việt by Emperor Lý Thánh Tông in 1054.

The guest star of 1054 occurred during the reign of the Emperor Renzong of the Song dynasty ( 960 – 1279 ).

" Zhihe " was an era name used during the reign of Emperor Renzong, and corresponds to the years 1054 – 1056 C. E., so the first year of the Zhihe era corresponds to the year 1054 C. E.

Pope Leo IX ( in office 1049 to 1054 ) also had family ties to the dynasty, since his grandfather Hugo III was the brother of Adelheid, the grandmother of Henry III.

Between 1050 and 1054 Lambert II, Count of Lens fought alongside the Baldwins against Henry III finding that this alliance best protected his interests.

* 1054 – 1079: Henry II, ( son of Lambert II )

Henry responded by devastating Flanders and ravaging Lille and Tournai ( 1054 ).

" To the former belong the mutual revocation in 1965 of the anathemas of 1054 ( see below Contemporary developments ), returning the relics of Sabbas the Sanctified ( a common saint ) to Mar Saba in the same year, and the first visit of a Pope to an Orthodox country in a millennium ( Pope John Paul II accepting the invitation of the Patriarch of the Romanian Orthodox Church, Teoctist, in 1999 ), among others.

The reigns of Vladimir the Great ( 980 – 1015 ) and his son Yaroslav the Wise ( 1019 – 1054 ) constitute the Golden Age of Kiev, which saw the acceptance of Orthodox Christianity from Byzantium and the creation of the first East Slavic written legal code, the Russkaya Pravda.

* 1054 BC Shamshi-Adad IV, son of Tiglath-Pileser I, usurps the Assyrian throne from his nephew, Eriba-Adad II.

On 15 September 1054, Ferdinand defeated his elder brother García at the Battle of Atapuerca and reduced Navarre to a vassal state under his late brother's young son, Sancho García IV.

* Robert Curthose or Robert II ( c. 1051 or 1054 – 1134 ), Duke of Normandy, son of William the Conqueror, the first Norman king of England

* 1040 – 1054: Lambert II, ( son of Lambert I )

García, the eldest legitimate son, was to be feudal overlord of his brothers, but he was soon challenged by his brothers, leading to the first partition of the kingdom after his death in the Battle of Atapuerca, in 1054.

Despite the death of his son Osbjorn, Siward defeated Mac Bethad in battle in 1054.

Robert Curthose ( c. 1054 – 3 February 1134 ), sometimes numbered Robert II or Robert III, was the Duke of Normandy from 1087 until 1106 and an unsuccessful claimant to the throne of the Kingdom of England.

Ibn Idhari wrote that the name was suggested by Ibn Yasin in the " persevering in the fight " sense, to boost morale after a particularly hard-fought battle in the Draa valley c. 1054, in which they had taken many losses.

After winning over the Sanhaja Berber tribe, they quickly took control of the entire desert trade route, seizing Sijilmasa at the northern end in 1054, and Aoudaghost at the southern end in 1055.

The average rate for a one room apartment was 602. 27 CHF ( US $ 480, £ 270, € 390 ), a two room apartment was about 846. 52 CHF ( US $ 680, £ 380, € 540 ), a three room apartment was about 1054. 14 CHF ( US $ 840, £ 470, € 670 ) and a six or more room apartment cost an average of 2185. 24 CHF ( US $ 1750, £ 980, € 1400 ).

The Roman Catholic and Eastern Orthodox patriarchates split from one another in the East – West Schism of 1054 AD, and Protestantism came into existence during the Protestant Reformation of the 16th century, splitting from the Roman Catholic Church.

Steps towards reconciliation on a global level were taken in 1965 by the Roman Catholic and Orthodox churches mutually revoking the excommunications that marked their Great Schism in 1054 ; the Anglican Roman Catholic International Commission ( ARCIC ) working towards full communion between those churches since 1970 ; and the Lutheran and Roman Catholic churches signing The Joint Declaration on the Doctrine of Justification in 1999 to address conflicts at the root of the Protestant Reformation.

The Pravda Yaroslava, originally combined by Yaroslav the Wise the Grand Prince of Kiev, was granted to Great Novgorod around 1017, and in 1054 was incorporated into the Russkaya Pravda, that became the law for all of Kievan Rus.

Constantine's foundation gave prestige to the Bishop of Constantinople, who eventually came to be known as the Ecumenical Patriarch, a situation that contributed to the Great Schism that divided Western Catholicism from Eastern Orthodoxy from 1054 onwards.

After the East-West Schism, conventionally dated to 1054, a brief reunification was agreed to between the Pope and a number of Eastern Orthodox bishops at the Council of Florence.

* 1965 – Pope Paul VI and Patriarch Athenagoras simultaneously revoke mutual excommunications that had been in place since 1054.

But when he recognized the strength of the opposition, he favored a compromise ; at any rate he advised Berengar is 1054 to swear to the formula presented to him.

This event is known as the East – West Schism, and it is traditionally dated to the year 1054, although it was more of a gradual process than a sudden break.

And while he was not present at any of the councils he continued to hold this title until the East-West Schism of 1054 AD.

Disagreement about the limits of his authority was one of the causes of the Great Schism, conventionally dated to the year 1054, which split the church into the Catholic Church in the West, headed by the Bishop of Rome, and the Orthodox Church, led by the four eastern patriarchs.

The Filioque has been an ongoing source of conflict between the East and West, contributing, in part, to the East-West Schism of 1054 and proving an obstacle to attempts to reunify the two sides.

* 1054: Start of the East-West Schism, which divides the Christian church for centuries.

When the Christian church split in 1054 between the East and Rome, the region of southern Albania retained its ties to Constantinople while the north reverted to the jurisdiction of Rome.

The Latin Church of the West, which after 1054 was to become known separately as the Roman Catholic Church, accepted the decrees of the iconodule Seventh Ecumenical Council regarding images.

* 1054 – A supernova is seen by Chinese, Arab, and possibly Amerindian observers near the star Zeta Tauri.

* 1054 – Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing an invalidly-issued Papal bull of Excommunication on the altar of Hagia Sophia during Saturday afternoon divine liturgy.