| May | JUN | Jul |
| 19 | ||
| 2012 | 2013 | 2014 |
COLLECTED BY
Collection: Wide Crawl started April 2013
| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 2nd century BC – 1st century BC – 1st century |
| Decades: | 60s BC 50s BC 40s BC – 30s BC – 20s BC 10s BC 0s BC |
| Years: | 33 BC 32 BC 31 BC – 30 BC – 29 BC 28 BC 27 BC |
| 30 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
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| Gregorian calendar | 30 BC |
| Ab urbe condita | 724 |
| Armenian calendar | N/A |
| Assyrian calendar | 4721 |
| Bahá'í calendar | -1873–-1872 |
| Bengali calendar | -622 |
| Berber calendar | 921 |
| English Regnal year | N/A |
| Buddhist calendar | 515 |
| Burmese calendar | -667 |
| Byzantine calendar | 5479–5480 |
| Chinese calendar | 庚寅年 (2607/2667) — to — 辛卯年(2608/2668) |
| Coptic calendar | -313–-312 |
| Ethiopian calendar | -37–-36 |
| Hebrew calendar | 3731–3732 |
| Hindu calendars | |
| - Vikram Samvat | 27–28 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3072–3073 |
| Holocene calendar | 9971 |
| Iranian calendar | 651 BP – 650 BP |
| Islamic calendar | 671 BH – 670 BH |
| Japanese calendar | |
| Korean calendar | 2304 |
| Minguo calendar | 1941 before ROC 民前1941年 |
| Thai solar calendar | 514 |
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| Wikimedia Commons has media related to: 30 BC |
The year 30 BC was either a common year starting on Wednesday, ThursdayorFriday or a leap year starting on Thursday (the link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information). It was a common year starting on Wednesday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Octavian and Crassus (or, less often, year 724 Ab urbe condita). The name 30 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the most common method in Europe for giving names to years.