Four ships of the Regia Marina, and the present day Italian Navy, have borne the name Caio Duilio, the name commemorating the 3rd century BC Roman naval leader Gaius Duilius:
References
Italian ship Caio Duilio Wikipedia(Text) CC BY-SA
Four ships of the Regia Marina, and the present day Italian Navy, have borne the name Caio Duilio, the name commemorating the 3rd century BC Roman naval leader Gaius Duilius: