Facts and Events
- the text in this section is copied from an article in Wikipedia
John III Doukas Vatatzes, Latinized as Ducas Vatatzes (Iōannēs III Doukas Vatatzēs, c. 1192, Didymoteicho – 3 November 1254, Nymphaion) was Emperor of Nicaea 1221–1254.
- ↑ 1.0 1.1 John III Doukas Vatatzes, in Wikipedia: The Free Encyclopedia. (Online: Wikimedia Foundation, Inc.).