Mirror universe
Mother of the Fatherland Philippa Georgiou (2257)
Augustus was a name or title adopted by the Terran emperor Philippa Georgiou, used as part of her full name in the 2250s: "Philippa Georgiou Augustus Iaponius Centarius." (DIS: "Vaulting Ambition")
According to Jordon Nardino, "the Terrans see themselves as inheritors of the Roman Empire so their Emperors take the title of its first Emperor." [1]