1920
| 1920 in altris calendaris | |
| Calendari gregorian | 1920 |
| Ab urbe condita | 2673 |
| Calendari armen | 1369 |
| Calendari cinês | 4616 — 4617 |
| Calendari ebraic | 5679 — 5680 |
| Calendari hindu - Vikram Samvat - Shaka Samvat - Kali Yuga |
1975 — 1976 1842 — 1843 5021 — 5022 |
| Calendari iranian | 1298 — 1299 |
| Calendari islamic | 1340 — 1341 |
| Calendari runic | 2170 |