585 BC

585 BC in various
Minguo calendar
	2496 before ROC; 民前2496年
Nanakshahi calendar	−2052
Thai solar calendar	−42 – −41
Tibetan calendar	阴木猪年; (female Wood-Pig); −458 or −839 or −1611; — to —; 阳火鼠年; (male Fire-Rat); −457 or −838 or −1610

Millennium:	1st millennium BC
Centuries:	7th century BC; 6th century BC ; 5th century BC;
Decades:	600s BC; 590s BC; 580s BC ; 570s BC; 560s BC;
Years:	588 BC; 587 BC; 586 BC; 585 BC ; 584 BC; 583 BC; 582 BC;

The year 585 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 169 Ab urbe condita . The denomination 585 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

Alyattes of Lydia fights Cyaxares of Media at the Battle of Halys, leading to a truce. This is a cardinal date from which other dates can be calculated. It is also the earliest event of which the precise date is known.^[1]

Destruction of
Kirrha, ending the First Sacred War
.

Astyages succeeds Cyaxares as king of the Medes.
Croesus succeeds Alyattes as king of Lydia.^[2]
Fall of the
Kingdom of Urartu
following a Median invasion. (The Scythians ruined the Kingdom of Urartu.)