A Summary –

Apocalypse by the Numbers: 

– a thousand years = The Byzantine Empire

– Six hundred threescore and six = The beginning of the Islamic calendar and the attack on Constantinople

– ten horns = The ten dynasties of Islam 

– eighth = Julian the Apostate

– seven heads = The seven dynasties of the Roman Empire 

– five are fallen = Constantinian dynasty is the fifth dynasty of the Roman Empire 

– four great beasts = Babylon, Greece, Rome, Islam 

– three johns = John the Baptist, John the Apostle, and John Chrysostom 

– two witnesses = The Holy Roman Empire and The Byzantine Empire