537 AD
Hagia Sophia Dedicated
Justinian's great domed cathedral opens in Constantinople.

- Time period
- 537 AD
- Region
- Byzantine Empire (Constantinople)
- Theme
- Culture
- Civilization
- Byzantine Empire
Emperor Justinian I dedicated the Hagia Sophia in Constantinople on 27 December 537. Its vast central dome was an engineering marvel, completed in under six years. It served as a cathedral, mosque and now again as a mosque.