Established as Titular Archiepiscopal See of Theodosia (latine) / Teodosia (Italiano) / Theodosien(sis) (Latin)
1925: Demoted as Titular Episcopal See of Theodosiopolis (latine) / Teodosia (Italiano) / Theodosiopolitan(us) (Latin)
1933: Renamed as Titular Episcopal See of Theodosiopolis in Arcadia (latine) / Teodosiopoli di Arcadia (Italiano) / Theodosiopolitan(us) in Arcadia (Latin)