The year 660 BC was a year of the pre-Julian Roman calendar. In the

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

, it was known as year 94 ''

Ab urbe condita ''Ab urbe condita'' (; 'from the founding of Rome, founding of the City'), or (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, 753 BC, the traditional founding of Rome. It is ...

'' . The denomination 660 BC for this year has been used since the early medieval period, when the

Anno Domini The terms (AD) and before Christ (BC) are used when designating years in the Gregorian calendar, Gregorian and Julian calendar, Julian calendars. The term is Medieval Latin and means "in the year of the Lord" but is often presented using "o ...

calendar era A calendar era is the period of time elapsed since one '' epoch'' of a calendar and, if it exists, before the next one. For example, the current year is numbered in the Gregorian calendar, which numbers its years in the Western Christian era ...

became the prevalent method in Europe for naming years.

Events

* Extreme

solar particle event In solar physics, a solar particle event (SPE), also known as a solar energetic particle event or solar radiation storm, is a solar phenomenon which occurs when particles emitted by the Sun, mostly protons, become accelerated either in the Sun's ...

comparable with the event detected at AD 774/ 775 *

February 11 Events Pre-1600 * 660 BC – Traditional date for the foundation of Japan by Emperor Jimmu. * 55 – The death under mysterious circumstances of Tiberius Claudius Caesar Britannicus, heir to the Roman Empire, on the eve of his comin ...

- The accession date of the first

Emperor of Japan The emperor of Japan is the hereditary monarch and head of state of Japan. The emperor is defined by the Constitution of Japan as the symbol of the Japanese state and the unity of the Japanese people, his position deriving from "the will of ...

, Emperor Jimmu, converted from the Japanese imperial year as calculated by the dates in the ''

Nihon Shoki The or , sometimes translated as ''The Chronicles of Japan'', is the second-oldest book of classical Japanese history. It is more elaborate and detailed than the , the oldest, and has proven to be an important tool for historians and archaeol ...

.''

Births

Deaths

* Duke Cheng of Qin, ruler of the state of Qin

References

Years of the 7th century BC {{BC-year-stub