Year 475 BC was a year of the pre-Julian Roman calendar. In the Roman Republic, it was known as year 279 Ab urbe condita. The denomination 475 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.
|Millennium:||1st millennium BC|
|Gregorian calendar||475 BC|
|Ab urbe condita||279|
|Ancient Egypt era||XXVII dynasty, 51|
|- Pharaoh||Xerxes I of Persia, 11|
|Ancient Greek era||76th Olympiad, year 2|
|Balinese saka calendar||N/A|
|Chinese calendar||乙丑年 (Wood Ox)|
2222 or 2162
— to —
丙寅年 (Fire Tiger)
2223 or 2163
|Coptic calendar||−758 – −757|
|Ethiopian calendar||−482 – −481|
|- Vikram Samvat||−418 – −417|
|- Shaka Samvat||N/A|
|- Kali Yuga||2626–2627|
|Iranian calendar||1096 BP – 1095 BP|
|Islamic calendar||1130 BH – 1129 BH|
|Minguo calendar||2386 before ROC|
|Thai solar calendar||68–69|
−348 or −729 or −1501
— to —
−347 or −728 or −1500
- Cimon leads an Athenian attack on the island of Skyros and expels the indigenous inhabitants who are regarded as pirates.
- The first recorded eruption of Mount Etna occurs.
- Zhou Yuan Wang becomes king of the Zhou Dynasty.
- The painter Polygnotus of Thasos begins his work (approximate date).
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- Heraclitus of Ephesus, Greek philosopher (b. c. 535 BC)
- Duke Ding of Jin, ruler of Jin in ancient China (r. 511–475 BC)
- ^ Smith, Sir William (1857). History of Greece. p. 227.
- ^ "Mount Etna | Eruptions, History, & Facts". Encyclopedia Britannica. Retrieved 7 April 2019.