| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1256 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1256 in poetry | |
| Gregorian calendar | 1256 MCCLVI |
| Ab urbe condita | 2009 |
| Armenian calendar | 705 ԹՎ ՉԵ |
| Assyrian calendar | 6006 |
| Bengali calendar | 663 |
| Berber calendar | 2206 |
| English Regnal year | 40 Hen. 3 – 41 Hen. 3 |
| Buddhist calendar | 1800 |
| Burmese calendar | 618 |
| Byzantine calendar | 6764–6765 |
| Chinese calendar |
乙卯年 (Wood Rabbit) 3952 or 3892 — to — 丙辰年 (Fire Dragon) 3953 or 3893 |
| Coptic calendar | 972–973 |
| Discordian calendar | 2422 |
| Ethiopian calendar | 1248–1249 |
| Hebrew calendar | 5016–5017 |
| Hindu calendars | |
| - Vikram Samvat | 1312–1313 |
| - Shaka Samvat | 1177–1178 |
| - Kali Yuga | 4356–4357 |
| Holocene calendar | 11256 |
| Igbo calendar | 256–257 |
| Iranian calendar | 634–635 |
| Islamic calendar | 653–654 |
| Japanese calendar |
Kenchō 8 / Kōgen 1 (康元元年) |
| Javanese calendar | 1165–1166 |
| Julian calendar | 1256 MCCLVI |
| Korean calendar | 3589 |
| Minguo calendar | 656 before ROC 民前656年 |
| Nanakshahi calendar | −212 |
| Thai solar calendar | 1798–1799 |
Year 1256 (MCCLVI) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.