Albert the Bear (; c. 1100 – 18 November 1170 ) was the first Margrave of Brandenburg ( as Albert I ) from 1157 to his death and was briefly Duke of Saxony between 1138 and 1142.

Bishop Wigers ( 1138 – 60 ) was the first of a series of bishops of the Premonstratensian Order, which chose the occupants of the see until 1447 ; in that year a bull of Nicholas V gave the right of nomination to the elector of Brandenburg, with whom the bishops stood in a close feudal relation.

* 1137 – 1138: Landbert

* 1138 – 1160: Wiggar

In the testament of Bolesław III Krzywousty, which initiated the period of fragmentation of Poland ( 1138 – 1320 ), the western part of Greater Poland ( including Poznań ) was granted to Mieszko III the Old.

A brief intervention in 1137 – 1138 by the Byzantine emperor John II Comnenus, who wished to assert imperial suzerainty over all the crusader states, did nothing to stop the threat of Zengi ; in 1139 Damascus and Jerusalem recognized the severity of the threat to both states, and an alliance was concluded which halted Zengi's advance.

1138 — 1193 ) holding Guy of Lusignan ( c. 1150 – 1194 ) captive in golden chains.

* 1138 – Ly Anh Tong is enthroned as emperor of Vietnam at the age of two, starting a 37-year reign.

* 1138 – A massive earthquake strikes Aleppo, Syria.

1133 – 1138 he acted as vicedominus of the archdiocese of Pisa.

Ṣalāḥ ad-Dīn Yūsuf ibn Ayyūb (, Ṣalāḥ ad-Dīn Yūsuf ibn Ayyūb, Kurdish: سه ‌ لاحه ‌ دین ئه ‌ یوبی, Selah ' edînê Eyubî ) ( 1137 / 1138 – March 4, 1193 ), better known in the Western world as Saladin, was a Kurdish Muslim, who became the first Sultan of Egypt and Syria, and founded the Ayyubid dynasty .< ref name =" Minorsky "> A number of contemporary sources make note of this.

* Saladin: The Sultan and His Times, 1138 – 1193

* 1130 – 1138: Papal schism, Pope Innocent II vs. Antipope Anacletus II.

The origins of what has come to be known as Occam's razor are traceable to the works of earlier philosophers such as John Duns Scotus ( 1265 – 1308 ), Maimonides ( Moses ben-Maimon, 1138 – 1204 ), and even Aristotle ( 384 – 322 BC ) ( Charlesworth 1956 ).

* May 5 – King Casimir II of Poland ( b. 1138 )

* March 4 – Saladin, Sultan of the Kurdish Ayyubid dynasty of Egypt and Syria ( b. c. 1138 )

* February 20 – Conan IV, Duke of Brittany ( b. 1138 )

In the testament of Bolesław III Krzywousty, which initiated the period of fragmentation of Poland ( 1138 – 1320 ), the western part of Greater Poland ( including Poznań ) was granted to Mieszko III the Old.

The elder branch of the House of Este, the House of Welf, historically rendered " Guelf " or " Guelph " in English, produced dukes of Bavaria ( 1070 – 1139, 1156 – 1180 ), dukes of Saxony ( 1138 – 1139, 1142 – 1180 ), a German King ( 1198 – 1218 ), and the dukes of Brunswick and Lüneburg ( 1208 – 1918 ), later styled the " Electors of Hanover " when two branches of the family recombined in 1705.

In 1138, Ali ibn Yusuf was defeated by Alfonso VII of León, and in the Battle of Ourique ( 1139 ), by Afonso I of Portugal, who thereby won his crown.

Their Anglo-Norman descendants also made use of military archery, as exemplified by their victory at the Battle of the Standard in 1138.

Thurstan also defended the northern part of England from invasion by the Scots, taking a leading part in organizing the English forces at the Battle of the Standard ( 1138 ).

It was Thurstan who mustered the army which defeated the Scots at the Battle of the Standard on 22 August 1138 near Northallerton, Yorkshire.

Robert de Ferrers, 1st Earl of Derby, 2nd Earl of Ferrières ( 1062 – 1139 ) was created Earl of Derby by King Stephen in 1138 for his valiant conduct at the Battle of Northallerton.

It was also a focus for much conflict in subsequent years between the English and the Scots, most notably the Battle of the Standard, nearby in 1138, which saw losses of as many as 12, 000 men.

The Battle of the Standard, sometimes called the Battle of Northallerton, in which English forces repelled a Scottish army, took place on 22 August 1138 on Cowton Moor near Northallerton in Yorkshire.

During a period of Scottish allegiance a Galloway contingent followed David King of Scots in his invasion of England and led the attack in his defeat at the Battle of the Standard ( 1138 ).

Geoffrey does not seem to have supported either side at the Battle of the Standard in August of 1138.

The earliest public record of the surname in Britain, after the Battle Abbey roll of 1066, dates to 1138 in Northumberland when Robert Maltalent witnessed a charter of Roger de Mowbray in Yorkshire.

The earliest existing mention John's banner is in 1138 when Thurstan incorporated it into the standard which gave its name to the Battle of the Standard.

Prior Richard is not the only author to whom John is indebted ; he incorporates in the annal of 1138 two other narratives of the Battle of the Standard, one in verse by the monk Serlo of Wilton, another in prose by Abbot Aelred of Rievaulx ; and also a poem, by a Glasgow clerk, on the death of Somerled.

Galwegian contingents are recorded in several sources as being present during the subsequent campaign and at the defeat of David by the levies of Yorkshire, Nottinghamshire and Derbyshire at the Battle of the Standard in 1138.

Little actual fighting took place, but Thurstan, Archbishop of York, won the Battle of the Standard on Stephen's behalf, fought near Northallerton, on 22, August, 1138.

On 22 August 1138 the English armies defeated the Scottish at nearby Cowton Moor in the Battle of the Standard.

His third son, Robert, distinguished himself in the Battle of the Standard against the Scots in 1138 and was made the Earl of Derby.

He distinguished himself at the battle of the Standard in 1138, and was made Earl of Yorkshire ( excludes Richmondshire ) as his reward.

When he died in 1138, the princes again aimed at checking royal power ; accordingly they did not elect Lothair's favoured heir, his son-in-law Henry the Proud of the Welf family, but Conrad III of the Hohenstaufen family, close relatives of the Salians, leading to over a century of strife between the two houses.

According to the Annales Cracovienses Compilati, this event took place in 1136 ; since it can be assumed that the Polish princess was younger than her betrothed, and also are known the birth dates of the youngest children of Bolesław III ( Agnes in 1137 and Casimir in 1138 ), Judith in consequence could have been born between 1130 and 1135.

In 1138, following the Testament of Boleslaw III Krzywousty, the country was divided between his sons ( see also Fragmentation of Poland ).

A second expedition by Lothar III in 1136 was not more decisive in its results, and the protracted struggle between the rival pontiffs was terminated only by the death of Anacletus II on 25 January 1138.

From 1138 onwards, Stephen gave them the earldoms of Worcester, Leicester, Hereford, Warwick and Pembroke, which — especially when combined with the possessions of Stephen's new ally, Prince Henry, in Cumberland and Northumbria — created a wide block of territory to act as a buffer zone between the troubled south-west, Chester and the rest of the kingdom.

From 1138 onwards, Stephen gave them the earldoms of Worcester, Leicester, Hereford, Warwick and Pembroke, which — especially when combined with the possessions of Stephen's new ally, Prince Henry, in Cumberland and Northumbria — created a wide block of territory to act as a buffer zone between the troubled south-west, Chester and the rest of the kingdom.

Anacletus's death in 1138 helped largely to solve the tension between rival factions.

The town is midway between Winchester and London and, in 1138, Henry de Blois ( grandson of William the Conqueror and brother of King Stephen ) started building Farnham Castle to provide accommodation for the Bishop of Winchester in his frequent journeying between his cathedral and the capital.

The deaths of his three older brothers Roger, Tancred, and Alfonso between 1138 and 1148 changed matters, though when his father died William was still not well-prepared to take his place.

Thurstan negotiated a truce at Roxburgh in 1138 between England and Scotland.

Only a century later, between 1138 and 1152, Werchter appears in historical documents.

A church had been at Jedburgh since the 9th century, founded by Bishop Ecgred of Lindisfarne, and king David I of Scotland made it a priory between 1118 and 1138, housing Augustinian monks from Beauvais in France.

In 1136, a peace treaty between King David and King Stephen was signed at Durham, but in 1138 Rufus ' castle of Norham surrendered to King David, an act that brought condemnation to the bishop for failing to defend the castle adequately.

Duke Bolesław III the Wrymouth, who reigned 1102 to 1138, tried to end the repeated struggles between various claimants by setting the government of Poland on a more formal footing.

* Guy of Milly (?– 1142 or between 1138 – 1144 )

* Philip of Milly ( 1142 or between 1138 – 1144 – 1161 )

At Easter 1138 he accompanied his half-brother Waleran de Beaumont, 1st Earl of Worcester on an embassy to Paris ratifying a treaty between the English and French kings.

Even though his grandfather Albert the Bear had held the Saxon dukedom between 1138 and 1142, this Albert is counted as the first.

After Henry I's death during the Anarchy, in which England was split between the rival claimants of King Stephen and the Empress Matilda, William declared for the Empress Maud and in 1138 held Shrewsbury Castle for four weeks against Stephen.

He was first mentioned as Guy's son in 1138, and must have become lord of Nablus sometime between that date and 1144, when his name appears with that title.

So the book must be finished between 1138 and 1143.