1845
| 1845 in altris calendaris | |
| Calendari gregorian | 1845 |
| Ab urbe condita | 2598 |
| Calendari armen | 1294 |
| Calendari cinês | 4541 — 4542 |
| Calendari ebraic | 5604 — 5605 |
| Calendari hindu - Vikram Samvat - Shaka Samvat - Kali Yuga |
1900 — 1901 1767 — 1768 4946 — 4947 |
| Calendari iranian | 1223 — 1224 |
| Calendari islamic | 1265 — 1266 |
| Calendari runic | 2095 |