| Years: 1237 1238 1239 – 1240 – 1241 1242 1243 |
|
| Decades: 1210s 1220s 1230s – 1240s – 1250s 1260s 1270s |
|
| Centuries: 12th century – 13th century – 14th century |
|
| 1240 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1240 in poetry | |
| Gregorian calendar | 1240 MCCXL |
| Ab urbe condita | 1993 |
| Armenian calendar | 689 ԹՎ ՈՁԹ |
| Bahá'í calendar | -604 – -603 |
| Bengali calendar | 647 |
| Berber calendar | 2190 |
| Buddhist calendar | 1784 |
| Burmese calendar | 602 |
| Byzantine calendar | 6748 – 6749 |
| Chinese calendar | 己亥年十二月初六日 (3876/3936-12-6) — to —
庚子年十二月十七日(3877/3937-12-17) |
| Coptic calendar | 956 – 957 |
| Ethiopian calendar | 1232 – 1233 |
| Hebrew calendar | 5000 – 5001 |
| Hindu calendars | |
| - Bikram Samwat | 1296 – 1297 |
| - Shaka Samvat | 1162 – 1163 |
| - Kali Yuga | 4341 – 4342 |
| Holocene calendar | 11240 |
| Iranian calendar | 618 – 619 |
| Islamic calendar | 637 – 638 |
| Japanese calendar | |
| Korean calendar | 3573 |
| Thai solar calendar | 1783 |
Contents |