1204

1204 in various calendars

Gregorian calendar	1204 MCCIV
Ab urbe condita	1957
Armenian calendar	653 ԹՎ ՈԾԳ
Assyrian calendar	5954
Balinese saka calendar	1125–1126
Bengali calendar	610–611
Berber calendar	2154
English Regnal year	5  Joh. 1  – 6  Joh. 1
Buddhist calendar	1748
Burmese calendar	566
Byzantine calendar	6712–6713
Chinese calendar	癸亥年 (Water  Pig) 3901 or 3694     — to — 甲子年 (Wood  Rat) 3902 or 3695
Coptic calendar	920–921
Discordian calendar	2370
Ethiopian calendar	1196–1197
Hebrew calendar	4964–4965
Hindu calendars
- Vikram Samvat	1260–1261
- Shaka Samvat	1125–1126
- Kali Yuga	4304–4305
Holocene calendar	11204
Igbo calendar	204–205
Iranian calendar	582–583
Islamic calendar	600–601
Japanese calendar	Kennin 4 / Genkyū 1 (元久元年)
Javanese calendar	1112–1113
Julian calendar	1204 MCCIV
Korean calendar	3537
Minguo calendar	708 before ROC 民前708年
Nanakshahi calendar	−264
Thai solar calendar	1746–1747
Tibetan calendar	ཆུ་མོ་ཕག་ལོ་ (female Water-Boar) 1330 or 949 or 177     — to — ཤིང་ཕོ་བྱི་བ་ལོ་ (male Wood-Rat) 1331 or 950 or 178

Year 1204 ( MCCIV ) was a leap year starting on Thursday of the Julian calendar.

Events

• January 27 – 28 – Byzantine emperor Alexios IV Angelos is overthrown in a revolution. ^[1]
• February 5 – Alexios V Doukas is crowned Byzantine emperor. ^[2]

  

  Conquest of Constantinople by the Crusaders

• April 12 – Sack of Constantinople: Crusaders enter Constantinople by storm and start pillaging the city as part of the Fourth Crusade. ^[1] Forces of the Republic of Venice seize the antique statues that will become the horses of Saint Mark. ^[3]
• May 16 – Baldwin, Count of Flanders, is crowned emperor of the Latin Empire a week after his election by the members of the Fourth Crusade. ^[4]
• Theodore I Laskaris flees to Nicaea after the capture of Constantinople, and establishes the Empire of Nicaea; Byzantine successor states are also established in Epirus and Trebizond. ^{[5] [6]}
• Boniface I, Marquis of Montferrat, a leader of the Fourth Crusade, founds the Kingdom of Thessalonica. ^[7]
• The writings of French theologian Amalric of Bena are condemned by the University of Paris and Pope Innocent III. ^[8]
• Tsar Kaloyan is recognized as king of Bulgaria by Pope Innocent III, after the creation of the Bulgarian Uniate church. ^[9]
• Valdemar II of Denmark is recognized as king in Norway. ^[10]
• Angers and Normandy are captured by Philip II of France. ^{[11] [12]}
• The Cistercian convent of Port-Royal-des-Champs is established. ^[13]
• The district of Cham becomes subject to Bavaria. ^[14]
• Hermann I, Landgrave of Thuringia submits to Philip of Swabia. ^[15]
• Beaulieu Abbey is founded. ^[16]
• The Channel Islands of Guernsey and Jersey decide, after a plebiscite of wealthy land owners, to remain with the English crown, after Normandy is recaptured by Philip II of France. ^[17]
• Landshut, Bavaria, is Founded. ^[18]

Births

• April 14 – Henry I, king of Castile (d. 1217) ^[19]
• Haakon IV of Norway (d. 1263) ^[20]
• Henry Raspe, Landgrave of Thuringia (d. 1247) ^[21]
• Maria of Courtenay, Empress regent of Nicaea (d. 1228)
• Alice of Schaerbeek (d. 1250) ^[22]

Deaths

• January 1 – King Haakon III of Norway ^[20]
• January – Isaac II Angelos, Byzantine emperor ^[23]
• February 8 – Alexios IV Angelos, Byzantine emperor ^[24]
• April 1 – Eleanor of Aquitaine, Sovereign Duchess Regnant of Aquitaine, queen of France and England ^[25]
• August 11 – King Guttorm of Norway ^[26]
• August 14 – Minamoto no Yoriie, Japanese shōgun (b. 1182) ^[27]
• September 30 or November 30 – Emeric, King of Hungary (b. 1174) ^[28]
• c. October 21 – Robert de Beaumont, 4th Earl of Leicester, English nobleman ^[29]
• November – Ban Kulin, ruler of Bosnia (b. 1163) ^[30]
• December 12 (or December 13) – Maimonides, Spanish rabbi and philosopher (b. 1135) ^[31]
• December 22 – Fujiwara no Shunzei, Japanese waka poet (b. 1114) ^[32]
• date unknown– Suleiman II, Sultan of Rûm ^[33]
• probable– Amalric of Bena, French theologian ^[34]

References

1. Choniates, Nicetas (1984). O City of Byzantium, Annals of Niketas Choniatēs. Translated by Harry J. Magoulias. Detroit: Wayne State University Press. pp. 307–338. ISBN   0-8143-1764-2.
2. Savignac, David (2020). "The Medieval Russian Account of the Fourth Crusade - A New Annotated Translation". (Novgorod Chronicle)
3. Queller, Donald E.; Madden, Thomas F. (1997). The Fourth Crusade: The Conquest of Constantinople. Philadelphia, PA: University of Pennsylvania Press. p. 195. ISBN   9780812217131.
4. Tricht, Filip Van (2011). The Latin Renovatio of Byzantium: The Empire of Constantinople (1204-1228). The Medieval Mediterranean: Peoples, Economies and Cultures, 400 - 1500. Translated by Peter Longbottom. Leiden, Boston: BRILL. pp. 50, 127. ISBN   9789004203921.
5. Tricht, Filip Van (2011). The Latin Renovatio of Byzantium: The Empire of Constantinople (1204-1228). Leiden, Boston: BRILL. p. 351. ISBN   9789004203235.
6. Finlay, George (1877). A History of Greece: From Its Conquest by the Romans to the Present Time, B.C. 146 to A.D. 1864. Vol. IV: Mediaeval Greece and the empire of Trebizond, A.D. 1204-1461. Clarendon Press. p. 121.
7. Setton, Kenneth Meyer (1976). The Papacy and the Levant, 1204-1571. Memoirs of the American Philosophical Society: 114. Vol. I: The Thirteenth and Fourteenth Centuries. Philadelphia, PA: American Philosophical Society. p. 21. ISBN   9780871691149.
8. Ciucu, Cristina (2018). "Being Truthful to 'Reality'. Grounds of non-violence in ascetic and mystical traditions.". In Chandra, Sudhir (ed.). Violence and Non-Violence across Time: History, Religion and Culture. London and New York: Taylor & Francis. p. 275. ISBN   9780429880933.
9. Loos, Milan (1974). Dualist Heresy in the Middle Ages. Prague: Springer Science & Business Media. p. 227. ISBN   9789024716739.
10. Orfield, Lester B. (2002). The Growth of Scandinavian Law. Union, NJ: The Lawbook Exchange, Ltd. p. 137. ISBN   9781584771807.
11. Kibler, William W.; Zinn, Grover A. (2016) [1995]. Routledge Revivals: Medieval France (1995): An Encyclopedia. New York and London: Taylor & Francis. p. 33. ISBN   9781351665667.
12. Jordan, Alyce A. (2016). "The St Thomas Becket Windows at Angers and Coutances: Devotion, Subversion and the Scottish Connection". In Webster, Paul; Gelin, Marie-Pierre (eds.). The Cult of St Thomas Becket in the Plantagenet World, C.1170-c.1220. Boydell & Brewer. p. 178. ISBN   9781783271610.
13. Berlis, Angela (2017). "The Power of Place: Port-Royal, a Wounded Place Transfigured". In Berlis, Angela; Korte, Anne-Marie; Biezeveld, Kune (eds.). Everyday Life and the Sacred: Re/configuring Gender Studies in Religion. Leiden, Boston: BRILL. p. 174. ISBN   9789004353794.
14. Heyberger, Joseph (1863). Bavaria: Landes- und Volkskunde des Königreichs Bayern : mit einer Uebersichtskarte des diesseitigen Bayerns in 15 Blättern. Oberpfalz und Regensburg, Schwaben und Neuburg; Abth. 1, Oberpfalz und Regensburg. 2,1 (in German). Munich: Cotta. p. 467.
15. Wihoda, Martin (2015). Vladislaus Henry: The Formation of Moravian Identity. Leiden, Boston: BRILL. p. 91. ISBN   9789004303836.
16. Church, Stephen (2015). King John: England, Magna Carta and the Making of a Tyrant. Basingstoke and Oxford: Pan Macmillan. p. 1208. ISBN   9780230772465.
17. Farran, Sue; Örücü, Esin (2016). A Study of Mixed Legal Systems: Endangered, Entrenched or Blended. London and New York: Routledge. p. 90. ISBN   9781317186496.
18. "Landshut | Bavarian City, Medieval Castle, Gothic Cathedral | Britannica". www.britannica.com. Retrieved November 8, 2025.
19. Thomas, Joseph (1870). Universal Pronouncing Dictionary of Biography and Mythology. Philadelphia, PA: J.B. Lippincott and Company. p. 1166.
20. Wise, Leonard F.; Hansen, Mark Hillary; Egan, E. W. (2005). Kings, Rulers, and Statesmen. New York: Sterling Publishing Company, Inc. p. 218. ISBN   9781402725920.
21. Martin, Therese, ed. (2012). Reassessing the Roles of Women as 'Makers' of Medieval Art and Architecture (2 Vol. Set). Visualizing the Middle Ages. Leiden, Boston: BRILL. p. 1078. ISBN   9789004185555.
22. State, Paul F. (2015). Historical Dictionary of Brussels. Lanham, Boulder, New York, Toronto, Plymouth: Rowman & Littlefield. p. 30. ISBN   9780810879218.
23. Carr, John (2015). Fighting Emperors of Byzantium. Barnsley: Pen and Sword. p. 269. ISBN   9781473856400.
24. Saint-Guillain, Guillaume (2011). "Tales of San Marco: Venetian Historiography and Thirteenth-century Byzantine Prosopography". In Herrin, Judith; Saint-Guillain, Guillaume (eds.). Identities and Allegiances in the Eastern Mediterranean After 1204. Surrey and Burlington, VT: Ashgate Publishing, Ltd. p. 274. ISBN   9781409410980.
25. Koestler-Grack, Rachel A. (2005). Eleanor of Aquitaine: Heroine of the Middle Ages. Philadelphia, PA: Infobase Publishing. p. 138. ISBN   9781438104164.
26. Þórðarson, Sturla (2012). "The Saga of Hacon, Hacon's Son". Icelandic Sagas and Other Historical Documents Relating to the Settlements and Descents of the Northmen of the British Isles. Vol. 4: The Saga of Hacon, and a Fragment of the Saga of Magnus, with Appendices. Translated by George Webbe Dasent. Cambridge and New York: Cambridge University Press. p. 2. ISBN   9781108052498.
27. Henshall, Kenneth (2013). Historical Dictionary of Japan to 1945. Lanham, Toronto, Plymouth: Scarecrow Press. p. 257. ISBN   9780810878723.
28. Jaritz, Gerhard; Szende, Katalin (2016). Medieval East Central Europe in a Comparative Perspective: From Frontier Zones to Lands in Focus. London and New York: Routledge. ISBN   9781317212249.
29. Bartlett, Robert (2013) [2000]. England under the Norman and Angevin Kings: 1075-1225. Oxford and New York: Oxford University Press. ISBN   9780192547378.
30. Clancy, Tim (2017) [2004]. Bosnia & Herzegovina 5. Chalfont St Peter and Guilford: Bradt Travel Guides. p. 260. ISBN   9781784770181.
31. Seeskin, Kenneth (1991). Maimonides: A Guide for Today's Perplexed. Millburn, NJ: Behrman House, Inc. pp. xv. ISBN   9780874415094.
32. "Fujiwara Shunzei | Japanese poet and critic". Encyclopedia Britannica. Retrieved December 11, 2020.
33. Laale, Hans Willer (2011). Ephesus (Ephesos): An Abbreviated History from Androclus to Constantine XI. Bloomington, IN: WestBow Press. p. 394. ISBN   9781449716189.
34. Eleyot, Lawrence (2016). Philosophy of One on the Many. Bloomington, IN: AuthorHouse. ISBN   9781524635817.