415 BC

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Millennium: 1st millennium BC
415 BC in various calendars
Gregorian calendar 415 BC
Ab urbe condita 339
Ancient Egypt era XXVII dynasty, 111
- Pharaoh Darius II of Persia, 9
Ancient Greek era 91st Olympiad, year 2
Assyrian calendar 4336
Balinese saka calendar N/A
Bengali calendar −1007
Berber calendar 536
Buddhist calendar 130
Burmese calendar −1052
Byzantine calendar 5094–5095
Chinese calendar 乙丑(Wood Ox)
2282 or 2222
    — to —
丙寅年 (Fire Tiger)
2283 or 2223
Coptic calendar −698 – −697
Discordian calendar 752
Ethiopian calendar −422 – −421
Hebrew calendar 3346–3347
Hindu calendars
 - Vikram Samvat −358 – −357
 - Shaka Samvat N/A
 - Kali Yuga 2686–2687
Holocene calendar 9586
Iranian calendar 1036 BP – 1035 BP
Islamic calendar 1068 BH – 1067 BH
Javanese calendar N/A
Julian calendar N/A
Korean calendar 1919
Minguo calendar 2326 before ROC
Nanakshahi calendar −1882
Thai solar calendar 128–129
Tibetan calendar 阴木牛年
(female Wood-Ox)
−288 or −669 or −1441
    — to —
(male Fire-Tiger)
−287 or −668 or −1440

Year 415 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Cossus, Vibulanus, Volusus and Cincinnatus (or, less frequently, year 339 Ab urbe condita). The denomination 415 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]


  • Athenian orator and politician, Andocides is imprisoned on suspicion of having taken part in the mutilation of the sacred busts called "Hermae" shortly before the departure of Athens' military expedition to Sicily. These mutilations cause a general panic, and Andocides is induced to turn informer. Andocides' testimony is accepted, and those whom he implicates, including Alcibiades, are condemned to death. Andocides is sent into exile.
  • The Athenian expedition to Sicily sets sail under Nicias, Lamachus and Alcibiades. After his departure with the armada, Alcibiades is accused of profanity and is recalled to Athens to stand trial.
  • After learning that he has been condemned to death in absentia, Alcibiades defects to Sparta and Nicias is placed in charge of the Sicilian expedition. The Athenian forces land at Dascon near Syracuse but with little result. Hermocrates heads the Syracusan defence.
  • Alcibiades openly joins with the Spartans and persuades them to send Gylippus to assist Syracuse and to fortify Decelea in Attica. He also encourages Ionia to revolt against Athens. As a result, a Spartan fleet soon arrives to reinforce their allies in Syracuse and a stalemate ensues.

By topic[edit]