1000
| 1000 in altris calendaris | |
| Calendari gregorian | 1000 |
| Ab urbe condita | 1753 |
| Calendari armen | 449 |
| Calendari cinês | 3696 — 3697 |
| Calendari ebraic | 4759 — 4760 |
| Calendari hindu - Vikram Samvat - Shaka Samvat - Kali Yuga |
1055 — 1056 922 — 923 4101 — 4102 |
| Calendari iranian | 378 — 379 |
| Calendari islamic | 420 — 421 |
| Calendari runic | 1250 |