Reign of John IV Laskaris (18 agos 1258 año – 25 dic 1261 año)

Descripción:

John IV Doukas Laskaris (or Ducas Lascaris) (December 25, 1250 – c. 1305) was emperor of Nicaea from August 18, 1258, to December 25, 1261. This empire was one of the Greek states formed from the remaining fragments of the Byzantine Empire, after the capture of Constantinople by Roman Catholics during the Fourth Crusade in 1204.