1812
| 1812 in altris calendaris | |
| Calendari gregorian | 1812 |
| Ab urbe condita | 2565 |
| Calendari armen | 1261 |
| Calendari cinês | 4508 — 4509 |
| Calendari ebraic | 5571 — 5572 |
| Calendari hindu - Vikram Samvat - Shaka Samvat - Kali Yuga |
1867 — 1868 1734 — 1735 4913 — 4914 |
| Calendari iranian | 1190 — 1191 |
| Calendari islamic | 1232 — 1233 |
| Calendari runic | 2062 |
Acjadiments
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