An diofar eadar na mùthaidhean a rinneadh air "1640an"

Chaidh 15 baidhtichean a chur ris ,  12 bhliadhna air ais
b
robot Adding: be:1640-я
b (robot Adding: ast, br, bs, ca, cv, eu, hr, id, is, jv, ka, ksh, lt, mr, ms, nrm, os, scn, simple, sk, su, tt, uk, uz, zh-yue Removing: pl, wa Modifying: la, nl)
b (robot Adding: be:1640-я)
 
[[ast:Años 1640]]
[[be:1640-я]]
[[br:Bloavezhioù 1640]]
[[bs:1640te]]
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deasachadh