631 BC

631 BC in various
Minguo calendar
	2542 before ROC; 民前2542年
Nanakshahi calendar	−2098
Thai solar calendar	−88 – −87
Tibetan calendar	阴土牛年; (female Earth-Ox); −504 or −885 or −1657; — to —; 阳金虎年; (male Iron-Tiger); −503 or −884 or −1656

Millennium:	1st millennium BC
Centuries:	8th century BC; 7th century BC ; 6th century BC;
Decades:	650s BC; 640s BC; 630s BC ; 620s BC; 610s BC;
Years:	634 BC; 633 BC; 632 BC; 631 BC ; 630 BC; 629 BC; 628 BC;

The year 631 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 123 Ab urbe condita . The denomination 631 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

Cyrene, a Greek colony in present-day Libya, North Africa, is founded (approximate date).
Sadyattes becomes king of Lydia.

Births

Deaths

References

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