An diofar eadar na mùthaidhean a rinneadh air "1820an"

Chaidh 21 baidht a chur ris ,  14 bhliadhnaichean air ais
b
robot Adding: be-x-old:1820-я
b (robot Adding: als, ast, br, bs, ca, cv, eo, eu, hr, id, is, jv, ka, kk, ko, ksh, la, lt, mr, ms, nah, no, nrm, os, pt, ru, scn, se, simple, sk, sq, su, ta, tt, uk, uz, wa, zh-min-nan, zh-yue Removing: bg Modifying: nl)
b (robot Adding: be-x-old:1820-я)
[[als:1820er]]
[[ast:Años 1820]]
[[be-x-old:1820-я]]
[[br:Bloavezhioù 1820]]
[[bs:1820te]]
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