| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
.
| 1540 by topic |
|---|
| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Works category |
| Gregorian calendar | 1540 MDXL |
| Ab urbe condita | 2293 |
| Armenian calendar | 989 ԹՎ ՋՁԹ |
| Assyrian calendar | 6290 |
| Balinese saka calendar | 1461–1462 |
| Bengali calendar | 947 |
| Berber calendar | 2490 |
| English Regnal year | 31 Hen. 8 – 32 Hen. 8 |
| Buddhist calendar | 2084 |
| Burmese calendar | 902 |
| Byzantine calendar | 7048–7049 |
| Chinese calendar | 己亥年 (Earth Pig) 4237 or 4030 — to — 庚子年 (Metal Rat) 4238 or 4031 |
| Coptic calendar | 1256–1257 |
| Discordian calendar | 2706 |
| Ethiopian calendar | 1532–1533 |
| Hebrew calendar | 5300–5301 |
| Hindu calendars | |
| - Vikram Samvat | 1596–1597 |
| - Shaka Samvat | 1461–1462 |
| - Kali Yuga | 4640–4641 |
| Holocene calendar | 11540 |
| Igbo calendar | 540–541 |
| Iranian calendar | 918–919 |
| Islamic calendar | 946–947 |
| Japanese calendar | Tenbun 9 (天文９年) |
| Javanese calendar | 1458–1459 |
| Julian calendar | 1540 MDXL |
| Korean calendar | 3873 |
| Minguo calendar | 372 before ROC 民前372年 |
| Nanakshahi calendar | 72 |
| Thai solar calendar | 2082–2083 |
| Tibetan calendar | 阴土猪年 (female Earth-Pig) 1666 or 1285 or 513 — to — 阳金鼠年 (male Iron-Rat) 1667 or 1286 or 514 |
Year 1540 (MDXL) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar.