Answer: dcvi

AnswerCrossword Clue
DCVICaesar's 606
DCVIRoman year that is palindromic in Arabic
DCVI7th-century date
DCVIYear of Pope Sabinian's death
DCVI606, to Livy
DCVI606, to the Romans
DCVI606 roman style
DCVICI x VI
DCVIEarly 7th-century date