Editing 660 BC

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{{BCE year in topic|660}}

The year '''660 BC''' was a year of the [[Roman calendar|pre-Julian Roman calendar]]. In the [[Roman Empire]], it was known as '''year 94 ''[[Ab urbe condita]]'' '''. The denomination 660 BC for this year has been used since the early medieval period, when the [[Anno Domini]] [[calendar era]] became the prevalent method in Europe for naming years.

==Events==
* Extreme [[solar particle event]] comparable with the event detected at AD [[774]]/[[775]]<ref>{{cite web |url=https://www.theguardian.com/science/2019/mar/11/radioactive-particles-from-huge-solar-storm-found-in-greenland |title=Radioactive particles from huge solar storm found in Greenland  |work=[[The Guardian]] |author=Ian Sample |date=March 11, 2019 |access-date=March 14, 2019}}</ref><ref>{{cite journal |title=Multiradionuclide evidence for an extreme solar proton event around 2,610 B.P. (~660 BC) |journal=Proceedings of the National Academy of Sciences |author1=Paschal O'Hare |date=2019 |volume= 116|issue=13 |pages=5961–5966 |doi=10.1073/pnas.1815725116 |pmid=30858311 |pmc=6442557 |bibcode=2019PNAS..116.5961O |doi-access=free }}</ref>
* [[February 11]] - The accession date of the first [[Emperor of Japan]], [[Emperor Jimmu]], converted from the [[Japanese imperial year]] as calculated by the dates in the ''[[Nihon Shoki]].''

==Births==

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==Deaths==
* [[Duke Cheng of Qin]], ruler of the state of Qin

==References==
{{reflist}}

{{DEFAULTSORT:660s BC}}
[[Category:660s BC| ]]
[[Category:Years of the 7th century BC]]


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