| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1252 by topic | |
| Leaders | |
| Political entities - State leaders - Religious 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 |
| Bengali calendar | 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) 3948 or 3888 — to — 壬子年 (Water Rat) 3949 or 3889 |
| 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 |
Year 1252 (MCCLII) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.