| Centuries: | 5th century · 6th century · 7th century |
| Decades: | 470s 480s 490s 500s 510s 520s 530s |
| Years: | 503 504 505 506 507 508 509 |
| 506 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 506 DVI |
| Ab urbe condita | 1259 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1338 – -1337 |
| Bengali calendar | -87 |
| Berber calendar | 1456 |
| Buddhist calendar | 1050 |
| Burmese calendar | -132 |
| Byzantine calendar | 6014 – 6015 |
| Chinese calendar | 乙酉年十一月廿一日 (3142/3202-11-21) — to —
丙戌年十二月初一日(3143/3203-12-1) |
| Coptic calendar | 222 – 223 |
| Ethiopian calendar | 498 – 499 |
| Hebrew calendar | 4266 – 4267 |
| Hindu calendars | |
| - Bikram Samwat | 562 – 563 |
| - Shaka Samvat | 428 – 429 |
| - Kali Yuga | 3607 – 3608 |
| Holocene calendar | 10506 |
| Iranian calendar | 116 BP – 115 BP |
| Islamic calendar | 120 BH – 119 BH |
| Japanese calendar | |
| Korean calendar | 2839 |
| Thai solar calendar | 1049 |