427 BC

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Millennium: 1st millennium BC
Centuries: 6th century BC5th century BC4th century BC
Decades: 450s BC  440s BC  430s BC  – 420s BC –  410s BC  400s BC  390s BC
Years: 430 BC 429 BC 428 BC427 BC426 BC 425 BC 424 BC
427 BC in other calendars
Gregorian calendar 427 BC
Ab urbe condita 327
Armenian calendar N/A
Assyrian calendar 4324
Bahá'í calendar −2270 – −2269
Bengali calendar −1019
Berber calendar 524
English Regnal year N/A
Buddhist calendar 118
Burmese calendar −1064
Byzantine calendar 5082–5083
Chinese calendar 癸丑(Water Ox)
2270 or 2210
    — to —
甲寅年 (Wood Tiger)
2271 or 2211
Coptic calendar −710 – −709
Discordian calendar 740
Ethiopian calendar −434 – −433
Hebrew calendar 3334–3335
Hindu calendars
 - Vikram Samvat −370 – −369
 - Shaka Samvat N/A
 - Kali Yuga 2675–2676
Holocene calendar 9574
Igbo calendar −1426 – −1425
Iranian calendar 1048 BP – 1047 BP
Islamic calendar 1080 BH – 1079 BH
Japanese calendar N/A
Juche calendar N/A
Julian calendar N/A
Korean calendar 1907
Minguo calendar 2338 before ROC
民前2338年
Thai solar calendar 117

Year 427 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Ahala and Mugillanus (or, less frequently, year 327 Ab urbe condita). The denomination 427 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[edit]

By place[edit]

Greece[edit]

  • Sparta's King Archidamus II is succeeded by his son Agis II.
  • Following the surrender of Mytilene to Athens, the Athenian leader Cleon insists that the city be destroyed. In response to the pleadings of a number of Athenian citizens, Cleon's decree to destroy the population of Mytilene is reversed with only the ringleaders of the Mytilenean revolt being executed.
  • Plataea surrenders to the Spartans and Thebans after its garrison comes close to death from starvation. Over 200 prisoners are put to death and Plataea is destroyed.
  • The civil war in Corcyra, in which the Athenians and the Spartans have interfered ineffectually, results in a victory of the democrats (who support an alliance with Athens) over the oligarchs.
  • In an effort to blockade Sparta from access to Sicilian corn, Athens responds to a plea for help from a delegation from the city of Leontini led by Gorgias, the sophist and rhetorician. Leontini is being threatened by Syracuse which is allied to Sparta. However, the Athenian mission led by the Athenian general Laches is unable to offer much help. Laches is later prosecuted by Cleon for his unsuccessful mission to support Athenian interests in Sicily.

Roman Republic[edit]


Births[edit]

  • Plato, Greek philosopher (d. c. 347 BC)
  • Xenophon, Greek historian, soldier, mercenary and an admirer of Socrates (d. 354 BC)

Deaths[edit]

References[edit]