21 እ.ኤ.አ.
{{European year A.D. disambiguation head|0021|'''21 እ.ኤ.አ.'''}}

{{European year A.D. disambiguation text
|1|[[January]]|21|26|[[August]]|21|13|=
|27|[[August]]|21|31|[[December]]|21|14}}

[[als:20er#21]]
als:20er#21