On #ThisDayInHistory in 680, the #ThirdCouncilOfConstantinople, aka the #SixthEcumenicalCouncil, opened in #Constantinople under #ConstantineIV. It met to discuss (then condemn) #monothelitism & #monoenergism, deciding instead that Jesus Christ had two wills and two energies.
The Theodosian Walls are the fortifications of Constantinople, capital of the Byzantine Empire, which were first built during the reign of Theodosius II (408-450 CE). https://www.worldhistory.org/Theodosian_Walls/ #History #ByzantineArchitecture #ByzantineWarfare #ConstantineIV
Theodosian Walls

The Theodosian Walls are the fortifications of Constantinople, capital of the Byzantine Empire, which were first built during the reign of Theodosius II (408-450 CE). Sometimes known as the Theodosian...

World History Encyclopedia
Greek Fire was an incendiary weapon first used in Byzantine warfare in 678 CE. https://www.worldhistory.org/Greek_Fire/ #History #ByzantineWarfare #ConstantineIV #GreekFire
Greek Fire

Greek Fire was an incendiary weapon first used in Byzantine warfare in 678 CE. The napalm of ancient warfare, the highly flammable liquid was made of secret ingredients and used both in catapulted incendiary...

World History Encyclopedia