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

Chaidh 23 baidht a thoirt air falbh ,  11 bhliadhna air ais
b
r2.7.1) (robot Removing: ksh:1820-er Joohre
b (r2.5.2) (robot Adding: vi:Thập niên 1820)
b (r2.7.1) (robot Removing: ksh:1820-er Joohre)
[[kk:1820 жж.]]
[[ko:1820년대]]
[[ksh:1820-er Joohre]]
[[kv:1820-ӧд вояс]]
[[la:Decennium 183]]
5,375

deasachadh