432 BC

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Millennium: 1st millennium BC
432 BC in various calendars
Gregorian calendar432 BC
Ab urbe condita322
Ancient Egypt eraXXVII dynasty, 94
- PharaohArtaxerxes I of Persia, 34
Ancient Greek era87th Olympiad (victor
Assyrian calendar4319
Balinese saka calendarN/A
Bengali calendar−1024
Berber calendar519
Buddhist calendar113
Burmese calendar−1069
Byzantine calendar5077–5078
Chinese calendar戊申年 (Earth Monkey)
2265 or 2205
    — to —
己酉年 (Earth Rooster)
2266 or 2206
Coptic calendar−715 – −714
Discordian calendar735
Ethiopian calendar−439 – −438
Hebrew calendar3329–3330
Hindu calendars
 - Vikram Samvat−375 – −374
 - Shaka SamvatN/A
 - Kali Yuga2669–2670
Holocene calendar9569
Iranian calendar1053 BP – 1052 BP
Islamic calendar1085 BH – 1084 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1902
Minguo calendar2343 before ROC
Nanakshahi calendar−1899
Thai solar calendar111–112
Tibetan calendar阳土猴年
(male Earth-Monkey)
−305 or −686 or −1458
    — to —
(female Earth-Rooster)
−304 or −685 or −1457

Year 432 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Mamercus, Albinus and Medullinus (or, less frequently, year 322 Ab urbe condita). The denomination 432 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]


  • Sparta calls and hosts a conference of the Peloponnesian League. The conference is attended by Athenian representatives as well as members of the League. Following arguments by Corinth against Athens, a majority of the League members vote to declare that the Athenians had broken the peace.
  • The Athenian admiral, Phormio, continues the siege of Potidaea by blocking the entrance to the Gulf of Corinth. Meanwhile an Athenian fleet, led by Archestratus, sails for Potidaea. However, instead of attacking Potidaea, they attack the Macedonians under Perdiccas II, who have allied with the Potidaeans. The Athenians capture Therma (modern Thessalonica) and then go on to besiege Pydna. However, as the Athenians are besieging Pydna, they receive news that Corinth has sent a force under the command of Aristeus to support Potidaea. In response, Athens sends more troops and ships under the command of Hipponicus. The combined Athenian force sails to Potidaea and lands there. In the ensuing Battle of Potidaea, the Athenians are victorious against Corinth and its allies.



By topic[edit]


  • Meton of Athens, a Greek mathematician and astronomer, calculates accurately the comparative chronology of the solar and lunar cycles. As a result, he introduces the 19-year Metonic cycle into the Athenian calendar as a method of calculating dates. Working with Euctemon, he observes the summer solstice on 27 June.