666 BC
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{{BC year in topic|666}}
The year 666 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 88 Ab urbe condita . The denomination 666 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.{{cn|date=November 2023}}
Events
=By place=
==Middle East==
- King Ashurbanipal undertook a campaign to Egypt.{{cite book | url=https://books.google.com/books?id=jTOxEAAAQBAJ&dq=666+BC+Ashurbanipal&pg=PA320 | isbn=978-0-19-068763-2 | title=The Oxford History of the Ancient Near East | date=14 April 2023 | publisher=Oxford University Press }}
- One theory is that this is the year Psammitichus I ascended the throne.{{cite web | url=https://books.google.com/books?id=jzEuAAAAYAAJ&dq=666+BC&pg=PA606 | title=The Quarterly Review of the Methodist Episcopal Church, South | date=1856 | publisher=John Early }}