/year

Empire of Nicaea

successor state of the Byzantine Empire when the crusaders conquered Constantinople at Fourth Crusade of 1204

15 dated entries naming Empire of Nicaea, drawn from 15 separate years between 1175 CE and 1261 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

JSONWikipedia articleWikidata Q181254

12th century

  • 1175Theodore I, emperor of Nicaea (d. 1221)source
  • 1193John III (Doukas Vatatzes), emperor of Nicaea (d. 1254)source

13th century

  • 1204Theodore 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.source
  • 1205Spring – Theodore I Laskaris is proclaimed Byzantine emperor (or basileus), formally founding the Empire of Nicaea, after repelling the invasions of rivals David Komnenos and Manuel Maurozomes into his domains. His appointment is an open challenge to the legitimacy of the Latin emperor Baldwin I, who rules over large parts of the former Byzantine Empire and regards Theodore as a usurper.source
  • 1221November – Theodore I Laskaris, emperor of Nicaea (b. 1175)source
  • 1223January 4 – Germanus II takes office as Patriarch of Constantinople, leader of the Eastern Orthodox Church, after moving the patriarchate's capital 56 mi from Constantinople (now Istanbul) to Nicaea (now Iznik in Turkey), as the guest of John III Doukas Vatatzes, Emperor of Nicaea.source
  • 1224Elena of Bulgaria, empress of Nicaea (d. 1258)source
  • 1230Anna of Hohenstaufen, empress of Nicaea (d. 1307)source
  • 1246November – Michael II Asen, ruler (tsar) of the Bulgarian Empire, succeeds his brother Kaliman I (possibly poisoned). He confirms the reconquest of Bulgarian territories against John III (Doukas Vatatzes), Byzantine ruler of the Empire of Nicaea.source
  • 1250December 25 – John IV Doukas Laskaris, emperor of Nicaea (d. 1305)source
  • 1255Emperor Theodore II Laskaris, who is in exile in the Empire of Nicaea, conducts a military campaign to recover Thrace from the Bulgarians.source
  • 1257Spring – The Epirote–Nicaean conflict (1257–59) begins between the Despotate of Epirus and the Empire of Nicaea. Despot Michael II Komnenos Doukas revolts and defeats the Nicaean army under George Akropolites. The Epirote and Serbian forces join their attacks against Michael, who sends his forces into Macedonia and marches on to Thessalonica. In response, Michael is attacked – on the west coast of Epirus – by Manfred of Sicily. Manfred first occupies the major Ionian Islands, including Corfu. Then he lands on the Albanian coast and takes Durazzo, Berat, Valona and their environs.source
  • 1258August 16 – Theodore II Laskaris dies after a 4-year reign at Magnesia. He is succeeded by his 7-year-old son, John IV, as ruler of the Empire of Nicaea. His regent becomes the bureaucrat George Mouzalon.source
  • 1259September – Epirote–Nicaean conflict, Battle of Pelagonia: The Empire of Nicaea defeats the Principality of Achaea, ensuring the eventual reconquest of Constantinople in 1261.source
  • 1261March 13 – Treaty of Nymphaeum: Emperor Michael VIII Palaiologos signs a trade and defense agreement with the Republic of Genoa, to counterweight the Venetian presence in the region. Genoa agrees to ally with the Empire of Nicaea, by providing a fleet of up to 50 galleys during the projected Nicaean siege of Constantinople, while 16 galleys are to be immediately sent against the Latin Empire.source

Named in the same entries