312 BC

Millennium: 1st millennium BC
312 BC in various calendars
Gregorian calendar312 BC
Ab urbe condita442
Ancient Egypt eraXXXIII dynasty, 12
- PharaohPtolemy I Soter, 12
Ancient Greek era117th Olympiad (victor
Assyrian calendar4439
Balinese saka calendarN/A
Bengali calendar−904
Berber calendar639
Buddhist calendar233
Burmese calendar−949
Byzantine calendar5197–5198
Chinese calendar戊申年 (Earth Monkey)
2385 or 2325
    — to —
己酉年 (Earth Rooster)
2386 or 2326
Coptic calendar−595 – −594
Discordian calendar855
Ethiopian calendar−319 – −318
Hebrew calendar3449–3450
Hindu calendars
 - Vikram Samvat−255 – −254
 - Shaka SamvatN/A
 - Kali Yuga2789–2790
Holocene calendar9689
Iranian calendar933 BP – 932 BP
Islamic calendar962 BH – 961 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar2022
Minguo calendar2223 before ROC
Nanakshahi calendar−1779
Seleucid era0/1 AG
Thai solar calendar231–232
Tibetan calendar阳土猴年
(male Earth-Monkey)
−185 or −566 or −1338
    — to —
(female Earth-Rooster)
−184 or −565 or −1337

Year 312 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Corvus and Mus (or, less frequently, year 442 Ab urbe condita). The denomination 312 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

Seleucid Empire



Roman Republic

  • The Roman censor, Appius Claudius Caecus, a patrician, enters office and begins construction of the Appian Way (the Via Appia) between Rome and Capua. He also embarks on a program of political reform, including the distribution of the landless citizens of Rome among the tribes, which at this time constitute basic political units. Appius also admits sons of freedmen into the Roman Senate. He also asserts the right of freed slaves to hold office.
  • Rome gets its first pure drinking water as engineers complete the first aqueduct into the city, the Aqua Appia.



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