| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 4th century BC – 3rd century BC – 2nd century BC |
| Decades: | 320s BC 310s BC 300s BC – 290s BC – 280s BC 270s BC 260s BC |
| Years: | 302 BC 301 BC 300 BC – 299 BC – 298 BC 297 BC 296 BC |
| 299 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 299 BC |
| Ab urbe condita | 455 |
| Armenian calendar | N/A |
| Bahá'í calendar | -2142 – -2141 |
| Bengali calendar | -891 |
| Berber calendar | 652 |
| Buddhist calendar | 246 |
| Burmese calendar | -936 |
| Byzantine calendar | 5210 – 5211 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2338/2398) — to —
[[Sexagenary cycle|]]年(2339/2399) |
| Coptic calendar | -582 – -581 |
| Ethiopian calendar | -306 – -305 |
| Hebrew calendar | 3462 – 3463 |
| Hindu calendars | |
| - Bikram Samwat | -242 – -241 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2803 – 2804 |
| Holocene calendar | 9702 |
| Iranian calendar | 920 BP – 919 BP |
| Islamic calendar | 948 BH – 947 BH |
| Japanese calendar | |
| Korean calendar | 2035 |
| Thai solar calendar | 245 |