Back Anyos 540 AN عقد 540 Arabic عوام 540 ARY عقد 540 ARZ Década del 540 AST 540-an BAN 540-я Byelorussian 540-я BE-X-OLD ৫৪০-এর দশক Bengali/Bangla Bloavezhioù 540 Breton
| Millennium: | 1st millennium |
| Centuries: | 5th century – 6th century – 7th century |
| Decades: | 510s 520s 530s – 540s – 550s 560s 570s |
| Years: | 540 541 542 543 544 545 546 547 548 549 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
Below are some of the important events that happened from 540 to 549. It is distinct from the decade known as the 50th decade which began on January 1, 541. and ended on December 31, 550