660 BC
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{{BCE year in topic|660}}
The year 660 BC was a year of the 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{{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}}{{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 }}
- 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