1252
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1252 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1252 in poetry | 
| Gregorian calendar | 1252 MCCLII | 
| Ab urbe condita | 2005 | 
| Armenian calendar | 701 ԹՎ ՉԱ | 
| Assyrian calendar | 6002 | 
| Balinese saka calendar | 1173–1174 | 
| Bengali calendar | 658–659 | 
| Berber calendar | 2202 | 
| English Regnal year | 36 Hen. 3 – 37 Hen. 3 | 
| Buddhist calendar | 1796 | 
| Burmese calendar | 614 | 
| Byzantine calendar | 6760–6761 | 
| Chinese calendar | 辛亥年 (Metal Pig) 3949 or 3742 — to — 壬子年 (Water Rat) 3950 or 3743 | 
| Coptic calendar | 968–969 | 
| Discordian calendar | 2418 | 
| Ethiopian calendar | 1244–1245 | 
| Hebrew calendar | 5012–5013 | 
| Hindu calendars | |
| - Vikram Samvat | 1308–1309 | 
| - Shaka Samvat | 1173–1174 | 
| - Kali Yuga | 4352–4353 | 
| Holocene calendar | 11252 | 
| Igbo calendar | 252–253 | 
| Iranian calendar | 630–631 | 
| Islamic calendar | 649–650 | 
| Japanese calendar | Kenchō 4 (建長4年) | 
| Javanese calendar | 1161–1162 | 
| Julian calendar | 1252 MCCLII | 
| Korean calendar | 3585 | 
| Minguo calendar | 660 before ROC 民前660年 | 
| Nanakshahi calendar | −216 | 
| Thai solar calendar | 1794–1795 | 
| Tibetan calendar | 阴金猪年 (female Iron-Pig) 1378 or 997 or 225 — to — 阳水鼠年 (male Water-Rat) 1379 or 998 or 226 | 
Year 1252 (MCCLII) was a leap year starting on Monday of the Julian calendar.