Andrew's first mission to the East was when he was asked by the French king Louis IX to go and fetch the Crown of Thorns which had been sold to him by the Latin Emperor of Constantinople Baldwin II in 1238, who was anxious to obtain support for his tottering empire.

In 1238, Byzantium was governed by Latin Emperor Baldwin of Constantinople.

* 1238 – The Battle of the Sit River is fought in the northern part of the present-day Yaroslavl Oblast of Russia between the Mongol Hordes of Batu Khan and the Russians under Yuri II of Vladimir-Suzdal during the Mongol invasion of Russia.

* 1238 – Joan of England, Queen Consort of Scotland, wife of Alexander II ( b. 1210 )

* 1238 – Yuri II, Grand Prince of Vladimir ( b. 1189 )

* Yuri II, grand prince of Vladimir ( d. 1238 )

* Meinhard II of Gorizia-Tyrol ( b. 1238 )

* July 22 – Joan of England, Queen consort of Scotland, wife of Alexander II of Scotland ( d. 1238 )

The 27-year-old Duke Albert ( married since 1274 to a daughter of Count Meinhard II of Gorizia-Tyrol ( 1238 – 95 )) was capable enough to hold some sway in the new patrimony.

# Joan ( 22 July 1210 – 1238 ), the wife of King Alexander II of Scotland.

The major attempt made by Inäzor Purgaz from Arzamas in January 1229 was repulsed, but after the death of Yuri II on March 4, 1238 at the Battle of Sit River the Mongols occupied the fortress and the remnants of small Nizhny Novgorod settlement which surrendered without any resistance in order to preserve what had been developed since Purgaz's attack nine years earlier.

In 1232, al-Kamil installed his eldest son as-Salih Ayyub to govern Hisn Kayfa, but on al-Kamil's death in 1238, as-Salih Ayyub disputed control of Egypt with his younger brother al-Adil II who had been proclaimed sultan in Cairo.

* Joan of England, Queen Consort of Scotland ( 1210 – 1238 ), daughter of King John of England, married Alexander II of Scotland

Memorable also is the siege laid to Brescia by the Emperor Frederick II in 1238 on account of the part taken by this city in the battle of Cortenova ( 27 November 1237 ).

In 1238 Emperor Frederick II put it under his domains.

* Theobald II of Navarre ( 1238 – 1270 ) married in 1255 to Isabelle of France

Theobald II ( c. 1238 – December 4, 1270 ) ( French: Thibaud or Thibault, Spanish: Teobaldo ), called the Young, was Count of Champagne and Brie ( as Theobald V ) and King of Navarre from 1253 until his death.

* 1218 – 1238 Yuri II, restored

* 1238 – 1246 Yaroslav II, fourth son of Vsevolod the Big Nest

The territory's ethnic diversity increased with the influx of some 40, 000 Cuman settlers, who came to the Pannonian Basin after their defeat by Volodymyr II ( Monomakh ) of Kiev in the 12th century and their ultimate defeat at the hands of the Tatars in 1238.

* Yaroslav II of Vladimir ( 1191 – 1246 ), Grand Prince of Vladimir ( 1238 – 1246 )

Yuri II (), also known as George II of Vladimir or Georgy II Vsevolodovich ( 11894 March 1238 ), was the fourth Grand Prince of Vladimir ( 1212 – 1216, 1218 – 1238 ) who presided over Vladimir-Suzdal at the time of the Mongol invasion of Russia.

Bečej was mentioned first during the administration of the Kingdom of Hungary in 1091 under Latin name Bechey and later in 1238 under Hungarian name Becse.

In 1238 they were recognized as free commune by Emperor Frederick II.

Manuel I Megas Komnenos ( Greek: Μανουήλ Α ΄ Μέγας Κομνηνός, Manouēl I Megas Komnēnos ) ( c. 1218 – March 1263 ), Emperor of Trebizond from 1238 to 1263, surnamed the " Great Captain ", was the second son of Alexios I, the first emperor of Trebizond, and Theodora Axuchina.

John I Megas Komnenos Axouchos (, Iōannēs I Megas Komnēnos Axoukhos ) was Emperor of Trebizond from 1235 to 1238.

Henry lent him his support when de Montfort embarked for Rome in March 1238 to seek papal approval for his marriage.

Called upon, about 1238, for support by Solomon of Montpellier, who had been excommunicated by supporters of Maimonides, Nahmanides addressed a letter to the communities of Aragon, Navarre, and Castile, in which Solomon's adversaries were severely rebuked.

The castle was returned to Denmark after the Treaty of Stensby in 1238 and remained its property ( together with the rest of Northern Estonia – see Danish Estonia ) for the next 138 years.

Two important members of the Notre Dame administration have been suggested as possible identities for Perotinus: the theologian Petrus Cantor ( who died in 1197 ) and the Petrus who was Succentor of Notre Dame from at least 1207 until about 1238.

* Northern Pacific 1238, a wood cupola caboose Was purchased by Nally's Fine Foods, Tacoma, Washington from the BN in 1975 and was used for the Project NP1364 restoration but was remodeled as a clubhouse for Nally's and parked by the Seattle KING DOME until the dome was torn down then donated to the NP Museum in Toppenish, Washington where it was restored to its pre-1950's look without the large herald and MAIN STREET OF THE NORTHWEST logos and is on display in Toppenish, Washington

He was one of the protagonists in the Ghibelline-Imperial victory of Cortenuova ( 1238 ), and was named Imperial viceroy for the March of Treviso.

Previously, in 1229, they had asked for asylum from King Béla IV of Hungary, who in 1238 finally offered refuge to the remainder of the Cuman people under their leader Kuthen ( Hungarians spelled his name Kötöny ).

In 1238, when the Mongols first invaded Kyiv Rus and his elder brother Yuri was killed in battle, Yaroslav left Kiev for Vladimir, where he was crowned grand prince.

After his conversion to Christianism, Segorbe became a base for the conquest of Valencia in 1238.

" Further evidence for the reception of her work in the fifth century BC comes from the comic playwright Aristophanes, who parodied lines from her poetry both in the Wasps ( 1238 ) and the Thesmophoriazusae ( 528 ).

In 1238, he issued a new set of canons for the Coptic church and its dependencies in Ethiopia, Nubia, and Cyrenaica.

The Reconquista captured Valencia for the third and final time in 1238, and Malaga was one of the last cities to fall, in 1487.

Heinrich III, Margrave of Meissen, received the castle from the Bishop from Naumburg in 1238 as recompense for services to the church and installed there a number of families belonging to the nobility of service ( retainers to a lord whose status was far above that of the peasantry but who nonetheless did not belong to the ranks of the high nobility ).

In 1238 Pope Gregory IX formed an alliance between Genoa and Venice against the empire, and consequently against Pisa too.

As the empire grew, Ogedei established a Mongol capital at Karakorum in northwestern Mongolia. Sacking of Suzdal by Batu Khan in February, 1238: a Miniature ( illuminated manuscript ) | miniature from the 16th century chronicle.