| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 312 BC by topic |
| Politics |
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| Categories |
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| Gregorian calendar | 312 BC CCCXII BC |
| Ab urbe condita | 442 |
| Ancient Egypt era | XXXIII dynasty, 12 |
| - Pharaoh | Ptolemy I Soter, 12 |
| Ancient Greek era | 117th Olympiad (victor)¹ |
| Assyrian calendar | 4439 |
| Balinese saka calendar | N/A |
| Bengali calendar | −904 |
| Berber calendar | 639 |
| Buddhist calendar | 233 |
| Burmese calendar | −949 |
| Byzantine calendar | 5197–5198 |
| Chinese calendar | 戊申年 (Earth Monkey) 2386 or 2179 — to — 己酉年 (Earth Rooster) 2387 or 2180 |
| Coptic calendar | −595 – −594 |
| Discordian calendar | 855 |
| Ethiopian calendar | −319 – −318 |
| Hebrew calendar | 3449–3450 |
| Hindu calendars | |
| - Vikram Samvat | −255 – −254 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2789–2790 |
| Holocene calendar | 9689 |
| Iranian calendar | 933 BP – 932 BP |
| Islamic calendar | 962 BH – 961 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 2022 |
| Minguo calendar | 2223 before ROC 民前2223年 |
| Nanakshahi calendar | −1779 |
| Seleucid era | 0/1 AG |
| Thai solar calendar | 231–232 |
| Tibetan calendar | 阳土猴年 (male Earth-Monkey) −185 or −566 or −1338 — to — 阴土鸡年 (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.
Events
By place
Seleucid Empire
- Ptolemy and Seleucus, the satrap of Babylonia, invade the satrapy of Syria. The resulting Battle of Gaza leads to a triumph for Ptolemy and Seleucus over Antigonus' son, Demetrius Poliorcetes ("sieger of cities"), who is captured but immediately released. Seleucus ceases his service to Ptolemy and returns to his former province, Babylonia. This event takes place on October 1 and becomes the starting point of the Seleucid era.[1]
Greece
- Telesphorus enters Elis and fortifies the citadel, and enslaves the city.[2]
- Telesphorus ends his friendship with Antigonus through betrayal.[2]
Sicily
- The Syracusans ask for help against their tyrant Agathocles from the Carthaginians, who, fearing for their own possessions in Sicily, send a large force to the island.
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.
Births
Deaths
References
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