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412 BC

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Millennium: 1st millennium BC
412 BC in various calendars
Gregorian calendar412 BC
Ab urbe condita342
Ancient Egypt eraXXVII dynasty, 114
- PharaohDarius II of Persia, 12
Ancient Greek era92nd Olympiad (victor
Assyrian calendar4339
Balinese saka calendarN/A
Bengali calendar−1004
Berber calendar539
Buddhist calendar133
Burmese calendar−1049
Byzantine calendar5097–5098
Chinese calendar戊辰年 (Earth Dragon)
2286 or 2079
    — to —
己巳年 (Earth Snake)
2287 or 2080
Coptic calendar−695 – −694
Discordian calendar755
Ethiopian calendar−419 – −418
Hebrew calendar3349–3350
Hindu calendars
 - Vikram Samvat−355 – −354
 - Shaka SamvatN/A
 - Kali Yuga2689–2690
Holocene calendar9589
Iranian calendar1033 BP – 1032 BP
Islamic calendar1065 BH – 1064 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1922
Minguo calendar2323 before ROC
Nanakshahi calendar−1879
Thai solar calendar131–132
Tibetan calendar阳土龙年
(male Earth-Dragon)
−285 or −666 or −1438
    — to —
(female Earth-Snake)
−284 or −665 or −1437

Year 412 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Ambustus and Pacilus (or, less frequently, year 342 Ab urbe condita). The denomination 412 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.


By place[edit]

Persian Empire[edit]

  • The Persians under Darius II see their opportunity to play off one Greek city-state against another and to recover control of the Greek cities of Asia Minor, which have been under Athenian control since 449 BC. The satraps of Asia Minor, Tissaphernes and Pharnabazus, are ordered to collect overdue tribute.
  • The Spartans sign a treaty of mutual help with the Persian satrap of Lower Asia, Tissaphernes. By the treaty of Miletus, Persia is given complete freedom in western Asia Minor in return for agreeing to pay for seamen to man the Peloponnesian fleet.


  • Alcibiades helps stir up revolts amongst Athens' allies in Ionia, on the west coast of Asia Minor. However, Alcibiades loses the confidence of the Spartans and antagonises their king Agis II. As a result, he flees to the court of the Persian satrap Tissaphernes.[1] Alcibiades advises Tissaphernes to withdraw his support from Sparta while conspiring with the oligarchic party in Athens, as Sparta's allied cities break away in a series of revolts.
  • The Athenians vote to use their last reserves to build a new fleet.
  • Clazomenae revolts against Athens.[2] After a brief resistance, however, it again acknowledges the Athenian supremacy.
  • An epidemic of an unknown disease hits Northern Greece.



  • Diogenes of Sinope



  1. ^ Thucydides. History of the Peloponnesian War.
  2. ^ Vanessa B. Gorman (2001). Miletos, the ornament of Ionia: history of the city to 400 BCE. University of Michigan Press. p. 122. ISBN 978-0-472-11199-2.