| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 380s 390s 400s 410s 420s 430s 440s |
| Years: | 412 413 414 415 416 417 418 |
| 415 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 415 CDXV |
| Ab urbe condita | 1168 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1429 – -1428 |
| Bengali calendar | -178 |
| Berber calendar | 1365 |
| Buddhist calendar | 959 |
| Burmese calendar | -223 |
| Byzantine calendar | 5923 – 5924 |
| Chinese calendar | 甲寅年十二月初五日 (3051/3111-12-5) — to —
乙卯年十一月十五日(3052/3112-11-15) |
| Coptic calendar | 131 – 132 |
| Ethiopian calendar | 407 – 408 |
| Hebrew calendar | 4175 – 4176 |
| Hindu calendars | |
| - Bikram Samwat | 471 – 472 |
| - Shaka Samvat | 337 – 338 |
| - Kali Yuga | 3516 – 3517 |
| Holocene calendar | 10415 |
| Iranian calendar | 207 BP – 206 BP |
| Islamic calendar | 213 BH – 212 BH |
| Japanese calendar | |
| Korean calendar | 2748 |
| Thai solar calendar | 958 |