| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 2nd century BC – 1st century BC – 1st century |
| Decades: | 100s BC 90s BC 80s BC – 70s BC – 60s BC 50s BC 40s BC |
| Years: | 73 BC 72 BC 71 BC – 70 BC – 69 BC 68 BC 67 BC |
| 70 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 70 BC |
| Ab urbe condita | 684 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1913 – -1912 |
| Bengali calendar | -662 |
| Berber calendar | 881 |
| Buddhist calendar | 475 |
| Burmese calendar | -707 |
| Byzantine calendar | 5439 – 5440 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2567/2627) — to —
[[Sexagenary cycle|]]年(2568/2628) |
| Coptic calendar | -353 – -352 |
| Ethiopian calendar | -77 – -76 |
| Hebrew calendar | 3691 – 3692 |
| Hindu calendars | |
| - Bikram Samwat | -13 – -12 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3032 – 3033 |
| Holocene calendar | 9931 |
| Iranian calendar | 691 BP – 690 BP |
| Islamic calendar | 712 BH – 711 BH |
| Japanese calendar | |
| Korean calendar | 2264 |
| Thai solar calendar | 474 |
Year 70 BC was a year of the pre-Julian calendar.