412 BC

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Millennium: 1st millennium BC
Centuries: 6th century BC5th century BC4th century BC
Decades: 440s BC  430s BC  420s BC  – 410s BC –  400s BC  390s BC  380s BC
Years: 415 BC 414 BC 413 BC412 BC411 BC 410 BC 409 BC
412 BC by topic
State leadersSovereign states
Birth and death categories
Establishments and disestablishments categories
412 BC in other calendars
Gregorian calendar 412 BC
Ab urbe condita 342
Armenian calendar N/A
Assyrian calendar 4339
Bahá'í calendar −2255 – −2254
Bengali calendar −1004
Berber calendar 539
English Regnal year N/A
Buddhist calendar 133
Burmese calendar −1049
Byzantine calendar 5097–5098
Chinese calendar 戊辰(Earth Dragon)
2285 or 2225
    — to —
己巳年 (Earth Snake)
2286 or 2226
Coptic calendar −695 – −694
Discordian calendar 755
Ethiopian calendar −419 – −418
Hebrew calendar 3349–3350
Hindu calendars
 - Vikram Samvat −355 – −354
 - Shaka Samvat N/A
 - Kali Yuga 2690–2691
Holocene calendar 9589
Igbo calendar −1411 – −1410
Iranian calendar 1033 BP – 1032 BP
Islamic calendar 1065 BH – 1064 BH
Japanese calendar N/A
Juche calendar N/A
Julian calendar N/A
Korean calendar 1922
Minguo calendar 2323 before ROC
Thai solar calendar 132

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. 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. After a brief resistance, however, it again acknowledges the Athenian supremacy.