Alexios V Doukas, surnamed Mourtzouphlos (, d. December 1205, Constantinople ) was Byzantine Emperor ( 5 February – 12 April 1204 ) during the second and final siege of Constantinople by the participants of the Fourth Crusade.

Eleanor of Aquitaine () ( 1122 or 1124 – 1 April 1204 ) was one of the wealthiest and most powerful women in Western Europe during the High Middle Ages.

Part of the relics were taken from Constantinople by Crusaders during the Fourth Crusade, in 1204, and ended up in Rome.

Of the icon painting tradition that developed in Byzantium, with Constantinople as the chief city, we have only a few icons from the 11th century and none preceding them, in part because of the Iconoclastic reforms during which many were destroyed, and also because of plundering by Venetians in 1204 during the Fourth Crusade, and finally the taking of the city by the Islamic Turks in 1453.

This relative stability was ended by the sacking of Constantinople during the Fourth Crusade ( 1204 ) and during the turmoil of the 13th century the island ownership was constantly affected by the regional power struggles.

* To appoint a de facto ruler in cases where the king was a minor or seriously ill ( e. g. Håkon galen in 1204 during the minority of king Guttorm, Skule Bårdsson in 1217 during the illness of king Inge Bårdsson ).

He should not be confused with the Latin Patriarch of Constantinople, an office that is now extinct, and created after the Latin capture of Constantinople in 1204, during the Fourth Crusade.

This small empire was one of the Greek states formed from the remaining fragments of the Byzantine Empire, after the capture of Constantinople by Western European Christians during the Fourth Crusade in 1204.

Theodore later distinguished himself during the sieges of Constantinople by the Latins of the Fourth Crusade ( 1203 – 1204 ).

Designed and occupied by Henry II of England and his son, Richard the Lionheart during the 12th century, the castle withstood the assaults by the French king Philip II in their wars for control of France until it was finally captured by Philip in 1204.

In 1204, the region was conquered by Philip II and an enormous castle was built during the minority of his grandson, Louis IX (" Saint Louis ") in the early part of the 13th century.

After the capture of Constantinople during the Fourth Crusade in 1204, he fled to Nicaea, where he settled at the court of the Nicaean emperor Theodore I Lascaris, and devoted himself to literature.

Akropolites ' historical work, the Annals, embraces the period from the capture of Constantinople during the Fourth Crusade by the Latins in 1204 to its recovery by Michael Palaiologos in 1261, thus forming a continuation of the work of Nicetas Choniates.

* The Personnel of the Norman Cathedrals during the Ducal Period, 911 – 1204, ed.

In Istanbul, modern-day Turkey, these " 100, 000 parchment scrolls " (" perhaps they left out the plays and poetry ") once were " the light of the Dark Ages for 800 years " and had " the books from the great libraries of Islam " added to them over time, but Scrooge and the nephews find they were destroyed in the 1204 Sack of Constantinople during the Fourth Crusade.

Capture of Constantinople during the Fourth Crusade in 1204.

That tower was on a different site and was largely destroyed in 1203, during the Fourth Crusade of 1202 – 1204.

Yassıada ( Plati ) was captured by the Latin Crusaders during the Fourth Crusade in 1204.

After the capture of Constantinople during the Fourth Crusade in 1204, he initially fled to Didymoteichon in Thrace.

Known among the Byzantines as the Megàlos Pyrgos ( meaning " Great Tower " in Greek ), this tower was largely destroyed by the Latin Crusaders during the Fourth Crusade in 1204.

In 1204, during the Fourth Crusade, Venetian ships were able to break the chain with a ram.

Among the remarkable events of Tamar's reign was the foundation of the empire of Trebizond on the Black Sea in 1204.

* 1204 BC: Theseus, legendary King of Athens, is deposed after a reign of 30 years and succeeded by Menestheus, great-grandson of Erichthonius II of Athens and second cousin of Theseus ' father Aegeus.

* 1204 BC: Theseus, legendary King of Athens, is deposed after a reign of 30 years and succeeded by Menestheus, great-grandson of Erichthonius II of Athens and second cousin of Theseus ' father Aegeus.

After John lost the Angevins ' continental territory along with Anjou itself to the Capetians in 1204, the family became known as the House of Plantagenet, adopting Geoffrey's nickname and ruling England until the reign of Richard II, after which the succession was disputed by two cadet branches, the House of Lancaster and the House of York.

By the reign of Håkon IV ( 1204 – 1263 ) the Norwegian hird was no longer exclusively focused on the military function, and had acquired several subdivisions on continental patterns, with squires ( kertilsveinr, literally " candle-men ", which were ceremonially required to hold candles at hird ceremonies ), men-at-arms ( hirdmenn ) and knights ( skutilsveinr, literally " table-men ").

Sverre's successor, King Haakon III of Norway, died after a two-year reign in 1204, leaving his posthumous son Haakon Haakonsson in Hamar, which was under Bagler control.

It reached its present form in the 13th century after gaining prominence during the reign of Alexios III ( 1349-1390 ) of the Komnenian Empire of Trebizond, established in 1204.

Norman rule brought Forest Law to the area, and it was not until 1204, in the reign of King John, that Brewood Forest was abolished.

* 1263 – King Haakon IV of Norway ( b. 1204 )

Dublin Castle, which became the centre of Norman power in Ireland, was founded in 1204 as a major defensive work on the orders of King John of England.

One of the oldest is Dublin Castle, which was first founded as a major defensive work on the orders of King John of England in 1204, shortly after the Norman invasion of Ireland in 1169, when it was commanded that a castle be built with strong walls and good ditches for the defence of the city, the administration of justice, and the protection of the King ’ s treasure.

* 1204 – King Philip Augustus of France conquers Rouen.

* 1204 — Fall of Normandy from Angevin hands to the French King, Philip Augustus, end of Norman domination of France.

* June 6 – King Henry I of Castile ( b. 1204 )

* King Guttorm of Norway ( d. 1204 )

* December 15 – King Haakon IV of Norway ( b. 1204 )

1204 – 23 June 1265 ), daughter of King Ottokar I of Bohemia.

Perche had come to England to try and recover the honour of Perche which had been lost in 1204 by his mother ( a niece of John, King of England ) – this included Newbury and Shrivenham in Berkshire, Toddington in Buckinghamshire, and Haughley in Suffolk.

He and the king had a falling out in the aftermath of the loss of the duchy, when he was sent with the earl of Leicester as ambassadors to negotiate a truce with King Philip II of France in 1204.

The castle was captured by King Philip II of France in 1204.

In this enterprise in the summer of 1204, Baldwin came into collision with Boniface of Montferrat, the rival candidate for the empire, who was to receive a large territory in Macedonia with the title of King of Thessalonica.

Dublin Castle was first founded as a major defensive work by Meiler Fitzhenry on the orders of King John of England in 1204, some time after the Norman invasion of Ireland in 1169, when it was commanded that a castle be built with strong walls and good ditches for the defence of the city, the administration of justice, and the protection of the King ’ s treasure.

Haakon Haakonsson ( c. March / April 1204 – 16 December 1263 ) ( Old Norse: Hákon Hákonarson ; Norwegian: Håkon Håkonsson ), sometimes called Haakon the Old in contrast to his son with the same name, and known in modern regnal lists as Haakon IV, was the King of Norway from 1217 to 1263.

In 1204 King John granted the rights for a fair at the feast of All Saints, 1 November, and in 1258 Henry III granted the right for fair on the feast of St John the Baptist, 24 June.

De Braose served in the war of 1204 against King Philip II of France in France.

* John I ( 1199 – 1216 ), also King of England, duke in right of his mother until 1204.

Nearly one hundred years later, in 1204, King Philip II Augustus of France conquered the region, apart from the Channel Islands.

In 1204 the Breton Guy de Thouars, allied to the King of France, undertook the siege of the Mount.