539 BC

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539 BC in various calendars

Gregorian calendar	539 BC DXXXIX BC
Ab urbe condita	215
Ancient Egypt era	XXVI dynasty, 126
- Pharaoh	Amasis II, 32
Ancient Greek Olympiad (summer)	60th Olympiad, year 2
Assyrian calendar	4212
Balinese saka calendar	N/A
Bengali calendar	−1132 – −1131
Berber calendar	412
Buddhist calendar	6
Burmese calendar	−1176
Byzantine calendar	4970–4971
Chinese calendar	辛酉年 (Metal  Rooster) 2159 or 1952     — to — 壬戌年 (Water  Dog) 2160 or 1953
Coptic calendar	−822 – −821
Discordian calendar	628
Ethiopian calendar	−546 – −545
Hebrew calendar	3222–3223
Hindu calendars
- Vikram Samvat	−482 – −481
- Shaka Samvat	N/A
- Kali Yuga	2562–2563
Holocene calendar	9462
Iranian calendar	1160 BP – 1159 BP
Islamic calendar	1196 BH – 1195 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1795
Minguo calendar	2450 before ROC 民前2450年
Nanakshahi calendar	−2006
Thai solar calendar	4–5
Tibetan calendar	ལྕགས་མོ་བྱ་ལོ་ (female Iron-Bird) −412 or −793 or −1565     — to — ཆུ་ཕོ་ཁྱི་ལོ་ (male Water-Dog) −411 or −792 or −1564

The year 539 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 215 Ab urbe condita . The denomination 539 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

By place

The Cyrus cylinder: a contemporary cuneiform script proclaims Cyrus the Great as legitimate king of Babylon.

Near East

• September 25 – 28? – Battle of Opis: Troops of the Persian Achaemenid Empire under Cyrus the Great decisively defeat those of the Neo-Babylonian Empire.
• October 29 – Fall of Babylon: Achaemenid troops under Gobryas enter Babylon unopposed. Cyrus enters the city, incorporating the Neo-Babylonian Empire into the Achaemenid Empire and turning the latter into the largest in the history of the world up until that point.

Deaths

• Nabonidus, last king of Babylon
• Belshazzar, co-regent of Babylon