Back Ҳ. ҟ. 678 Abkhazian 678 ق م Arabic 678 ق م ARZ 678 e.C. AST E.ə. 678 Azerbaijani 678 г. пр.н.е. Bulgarian 678 v. Chr. German 678 BC English -678 Esperanto ۶۷۸ (پیش از میلاد) Persian
| Blianta RC: 681 RC 680 RC 679 RC - 678 RC - 677 RC 676 RC 675 RC | |
| deichniúra: 700idí RC 690idí RC 680idí RC - 670idí RC - 660idí RC 650idí RC 640idí RC | |
| Aois: 8ú haois RC - 7ú haois RC - 6ú haois RC | |