An diofar eadar na mùthaidhean a rinneadh air "1840an"

Chaidh 21 baidht a thoirt air falbh ,  9 bhliadhnaichean air ais
b
r2.7.1) (robot Removing: tt:1840. yıllar
b (r2.6.5) (robot Adding: yo:Ẹ̀wádún 1840)
b (r2.7.1) (robot Removing: tt:1840. yıllar)
[[ta:1840கள்]]
[[tk:1840ýý]]
[[tt:1840. yıllar]]
[[uk:1840-ві]]
[[uz:1840-lar]]
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deasachadh