1831
Il ha 2 modificationes in iste version que attende revision.
Le version stabile ha essite revidite le 8 martio 2013.
| 1831 |
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| instantia de: anno civil[*], common year starting and ending on Saturday[*] |
| parte de: 1830s[*], Calendario gregorian |
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| precedite per: 1830 , succedite per: 1832 |
| Commons: 1831 |