| Centuries: | 5th century · 6th century · 7th century |
| Decades: | 470s 480s 490s 500s 510s 520s 530s |
| Years: | 506 507 508 509 510 511 512 |
| 509 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 509 DIX |
| Ab urbe condita | 1262 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1335 – -1334 |
| Bengali calendar | -84 |
| Berber calendar | 1459 |
| Buddhist calendar | 1053 |
| Burmese calendar | -129 |
| Byzantine calendar | 6017 – 6018 |
| Chinese calendar | 戊子年十一月廿五日 (3145/3205-11-25) — to —
己丑年十二月初五日(3146/3206-12-5) |
| Coptic calendar | 225 – 226 |
| Ethiopian calendar | 501 – 502 |
| Hebrew calendar | 4269 – 4270 |
| Hindu calendars | |
| - Bikram Samwat | 565 – 566 |
| - Shaka Samvat | 431 – 432 |
| - Kali Yuga | 3610 – 3611 |
| Holocene calendar | 10509 |
| Iranian calendar | 113 BP – 112 BP |
| Islamic calendar | 117 BH – 115 BH |
| Japanese calendar | |
| Korean calendar | 2842 |
| Thai solar calendar | 1052 |