1073
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1073 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Gregorian calendar | 1073 MLXXIII | 
| Ab urbe condita | 1826 | 
| Armenian calendar | 522 ԹՎ ՇԻԲ | 
| Assyrian calendar | 5823 | 
| Balinese saka calendar | 994–995 | 
| Bengali calendar | 479–480 | 
| Berber calendar | 2023 | 
| English Regnal year | 7 Will. 1 – 8 Will. 1 | 
| Buddhist calendar | 1617 | 
| Burmese calendar | 435 | 
| Byzantine calendar | 6581–6582 | 
| Chinese calendar | 壬子年 (Water Rat) 3770 or 3563 — to — 癸丑年 (Water Ox) 3771 or 3564 | 
| Coptic calendar | 789–790 | 
| Discordian calendar | 2239 | 
| Ethiopian calendar | 1065–1066 | 
| Hebrew calendar | 4833–4834 | 
| Hindu calendars | |
| - Vikram Samvat | 1129–1130 | 
| - Shaka Samvat | 994–995 | 
| - Kali Yuga | 4173–4174 | 
| Holocene calendar | 11073 | 
| Igbo calendar | 73–74 | 
| Iranian calendar | 451–452 | 
| Islamic calendar | 465–466 | 
| Japanese calendar | Enkyū 5 (延久5年) | 
| Javanese calendar | 977–978 | 
| Julian calendar | 1073 MLXXIII | 
| Korean calendar | 3406 | 
| Minguo calendar | 839 before ROC 民前839年 | 
| Nanakshahi calendar | −395 | 
| Seleucid era | 1384/1385 AG | 
| Thai solar calendar | 1615–1616 | 
| Tibetan calendar | 阳水鼠年 (male Water-Rat) 1199 or 818 or 46 — to — 阴水牛年 (female Water-Ox) 1200 or 819 or 47 | 
Year 1073 (MLXXIII) was a common year starting on Tuesday of the Julian calendar.