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

O Uicipeid
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b robot Adding: sah:1840-с
b roboto aldono de: tk:1840ýý
Loidhne 72: Loidhne 72:
[[sv:1840-talet]]
[[sv:1840-talet]]
[[ta:1840கள்]]
[[ta:1840கள்]]
[[tk:1840ýý]]
[[tt:1840. yıllar]]
[[tt:1840. yıllar]]
[[uk:1840-ві]]
[[uk:1840-ві]]

Mùthadh on 13:16, 4 dhen Chèitean 2009

Bha na 1840s, sa 19mh linn, eadar 1 am Faoilleach 1840 is 31 an Dùbhlachd 1849. Se na ceathramh deich-bliadhna den linn