# 643 BC

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The year **643 BC** was a year of the [pre-Julian Roman calendar](/source/Roman_calendar). In the [Roman Empire](/source/Roman_Empire), it was known as **year 111 *[Ab urbe condita](/source/Ab_urbe_condita)***. The denomination 643 BC for this year has been used since the early medieval period, when the [Anno Domini](/source/Anno_Domini) [calendar era](/source/Calendar_era) became the prevalent method in Europe for naming years.

## Births

- [Ezekiel](/source/Ezekiel), prophet

## Deaths

- [Manasseh](/source/Manasseh_of_Judah), king of [Judah](/source/Kingdom_of_Judah)
- [Duke Huan of Qi](/source/Duke_Huan_of_Qi), ruler of the state of Qi

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Adapted from the Wikipedia article [643 BC](https://en.wikipedia.org/wiki/643_BC) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/643_BC?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.