Tricennalia

In 336, the city was ready. Constantine the Great could celebrate his Tricennalia, his thirty-year jubilee, in his new capital. One year later, he was baptised and died.

As a chronological list of Roman emperors makes clear, several rulers reign long enough to enjoy their decennalia, but relatively few were fortunate enough to celebrate their vicennalia, their twentieth imperial anniversary; and from the second century onwards Constantine alone ruled long enough to celebrate a tricennalia.

In 336, the city was ready. Constantine the Great could celebrate his Tricennalia, his thirty-year jubilee, in his new capital. One year later, he was baptised and died.