1273
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1273 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1273 in poetry | 
| Gregorian calendar | 1273 MCCLXXIII | 
| Ab urbe condita | 2026 | 
| Armenian calendar | 722 ԹՎ ՉԻԲ | 
| Assyrian calendar | 6023 | 
| Balinese saka calendar | 1194–1195 | 
| Bengali calendar | 679–680 | 
| Berber calendar | 2223 | 
| English Regnal year | 1 Edw. 1 – 2 Edw. 1 | 
| Buddhist calendar | 1817 | 
| Burmese calendar | 635 | 
| Byzantine calendar | 6781–6782 | 
| Chinese calendar | 壬申年 (Water Monkey) 3970 or 3763 — to — 癸酉年 (Water Rooster) 3971 or 3764 | 
| Coptic calendar | 989–990 | 
| Discordian calendar | 2439 | 
| Ethiopian calendar | 1265–1266 | 
| Hebrew calendar | 5033–5034 | 
| Hindu calendars | |
| - Vikram Samvat | 1329–1330 | 
| - Shaka Samvat | 1194–1195 | 
| - Kali Yuga | 4373–4374 | 
| Holocene calendar | 11273 | 
| Igbo calendar | 273–274 | 
| Iranian calendar | 651–652 | 
| Islamic calendar | 671–672 | 
| Japanese calendar | Bun'ei 10 (文永10年) | 
| Javanese calendar | 1183–1184 | 
| Julian calendar | 1273 MCCLXXIII | 
| Korean calendar | 3606 | 
| Minguo calendar | 639 before ROC 民前639年 | 
| Nanakshahi calendar | −195 | 
| Thai solar calendar | 1815–1816 | 
| Tibetan calendar | 阳水猴年 (male Water-Monkey) 1399 or 1018 or 246 — to — 阴水鸡年 (female Water-Rooster) 1400 or 1019 or 247 | 
Year 1273 (MCCLXXIII) was a common year starting on Sunday of the Julian calendar.