| Centuries: | 3rd century · 4th century · 5th century |
| Decades: | 360s 370s 380s 390s 400s 410s 420s |
| Years: | 387 388 389 390 391 392 393 |
| 390 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 390 CCCXC |
| Ab urbe condita | 1143 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1454 – -1453 |
| Bengali calendar | -203 |
| Berber calendar | 1340 |
| Buddhist calendar | 934 |
| Burmese calendar | -248 |
| Byzantine calendar | 5898 – 5899 |
| Chinese calendar | 己丑年十一月廿九日 (3026/3086-11-29) — to —
庚寅年十一月初九日(3027/3087-11-9) |
| Coptic calendar | 106 – 107 |
| Ethiopian calendar | 382 – 383 |
| Hebrew calendar | 4150 – 4151 |
| Hindu calendars | |
| - Bikram Samwat | 446 – 447 |
| - Shaka Samvat | 312 – 313 |
| - Kali Yuga | 3491 – 3492 |
| Holocene calendar | 10390 |
| Iranian calendar | 232 BP – 231 BP |
| Islamic calendar | 239 BH – 238 BH |
| Japanese calendar | |
| Korean calendar | 2723 |
| Thai solar calendar | 933 |