: By 450 AD, the Huns had become a dominant force. A famous incident involved Honoria, sister of Emperor Valentinian III, sending an engagement ring to Attila the Hun, effectively inviting him to invade the West. Modern Technical & Regulatory Contexts
: One of the longest-reigning Roman emperors, Theodosius II ruled from 402 until his death in 450. He is most famous for:
: The massive fortification of Constantinople that protected the city for over a millennium.
: He ordered the building of the Church of Saint Nicholas in Myra, preserving one of the earliest records of the historical figure. The Decline of Rome :