| 1891 in altris calendaris | |
| Calendari gregorian | 1891 |
| Ab urbe condita | 2644 |
| Calendari armen | 1340 |
| Calendari cinês | 4587 — 4588 |
| Calendari ebraic | 5650 — 5651 |
| Calendari hindu - Vikram Samvat - Shaka Samvat - Kali Yuga |
1946 — 1947 1813 — 1814 4992 — 4993 |
| Calendari iranian | 1269 — 1270 |
| Calendari islamic | 1311 — 1312 |
| Calendari runic | 2141 |