View source for 642 BC

{{Unreferenced|date=May 2026}}
{{Year nav|-642}}
{{BC year in topic|642}}
{{dynamic list}} 
The year '''642 BC''' was a year of the [[Roman calendar|pre-Julian Roman calendar]]. In the [[Roman Empire]], it was known as '''year 112 ''[[Ab urbe condita]]'' '''. The denomination 642 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.
==Deaths==
* [[Wukui]], ruler of the state of Qi

==References==
{{reflist}}

{{DEFAULTSORT:640s Bc}}
[[Category:640s BC| ]]
[[Category:Years of the 7th century BC]]


{{BC-year-stub}}