688 እ.ኤ.አ.
{{European year A.D. disambiguation head|0688|'''688 እ.ኤ.አ.'''}}

{{European year A.D. disambiguation text
|1|[[January]]|688|31|[[August]]|688|680|=
|1|[[September]]|688|31|[[December]]|688|681}}

[[da:680'erne#688]]
da:680'erne#688