All 3 Uses

Attila
in
Dante's Inferno
(Auto-generated)

The divine justice here pierces that Attila who was a scourge on earth, and Pyrrhus and Sextus; and forever milks the tears that with the boiling it unlocks from Rinier of Corneto, and from Rinier Pazzo, who upon the highways made such warfare.†
Canto 10-12
And were it not that at the passage of the Arno some semblance of him yet remains, those citizens who afterwards rebuilt it upon the ashes that were left by Attila[2] would have labored in vain.†
Canto 13-15
[2] It was not Attila, but Totila, who in 542 besieged Florence, and, according to false popular tradition, burned it†
Canto 13-15 *

Definitions:

(1) (Attila)
King of the Huns who invaded the Roman Empire with much success (406-453)
(2) (meaning too rare to warrant focus)