1820
| 1820 |
|---|
| instantia de: anno civil[*], anno bissextil, leap year starting on Saturday and ending on Sunday[*] |
| parte de: 1820s[*], Calendario gregorian |
|
|
| precedite per: 1819 , succedite per: 1821 |
| Commons: 1820 |
Le modificationes pendente es presentate in iste pagina
| 1820 |
|---|
| instantia de: anno civil[*], anno bissextil, leap year starting on Saturday and ending on Sunday[*] |
| parte de: 1820s[*], Calendario gregorian |
|
|
| precedite per: 1819 , succedite per: 1821 |
| Commons: 1820 |