| Centuries: | 3rd century · 4th century · 5th century |
| Decades: | 320s 330s 340s 350s 360s 370s 380s |
| Years: | 348 349 350 351 352 353 354 |
| 351 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 351 CCCLI |
| Ab urbe condita | 1104 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1493 – -1492 |
| Bengali calendar | -242 |
| Berber calendar | 1301 |
| Buddhist calendar | 895 |
| Burmese calendar | -287 |
| Byzantine calendar | 5859 – 5860 |
| Chinese calendar | 庚戌年十一月十七日 (2987/3047-11-17) — to —
辛亥年十一月廿七日(2988/3048-11-27) |
| Coptic calendar | 67 – 68 |
| Ethiopian calendar | 343 – 344 |
| Hebrew calendar | 4111 – 4112 |
| Hindu calendars | |
| - Bikram Samwat | 407 – 408 |
| - Shaka Samvat | 273 – 274 |
| - Kali Yuga | 3452 – 3453 |
| Holocene calendar | 10351 |
| Iranian calendar | 271 BP – 270 BP |
| Islamic calendar | 279 BH – 278 BH |
| Japanese calendar | |
| Korean calendar | 2684 |
| Thai solar calendar | 894 |