684 እ.ኤ.አ.
{{European year A.D. disambiguation head|0684|'''684 እ.ኤ.አ.'''}}

{{European year A.D. disambiguation text
|1|[[January]]|684|31|[[August]]|684|676|=
|1|[[September]]|684|31|[[December]]|684|677}}

[[da:680'erne#684]]
da:680'erne#684