307 BC

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Millennium: 1st millennium BC
307 BC in various calendars
Gregorian calendar 307 BC
Ab urbe condita 447
Ancient Egypt era XXXIII dynasty, 17
- Pharaoh Ptolemy I Soter, 17
Ancient Greek era 118th Olympiad, year 2
Assyrian calendar 4444
Balinese saka calendar N/A
Bengali calendar −899
Berber calendar 644
Buddhist calendar 238
Burmese calendar −944
Byzantine calendar 5202–5203
Chinese calendar 癸丑(Water Ox)
2390 or 2330
    — to —
甲寅年 (Wood Tiger)
2391 or 2331
Coptic calendar −590 – −589
Discordian calendar 860
Ethiopian calendar −314 – −313
Hebrew calendar 3454–3455
Hindu calendars
 - Vikram Samvat −250 – −249
 - Shaka Samvat N/A
 - Kali Yuga 2794–2795
Holocene calendar 9694
Iranian calendar 928 BP – 927 BP
Islamic calendar 957 BH – 955 BH
Javanese calendar N/A
Julian calendar N/A
Korean calendar 2027
Minguo calendar 2218 before ROC
Nanakshahi calendar −1774
Seleucid era 5/6 AG
Thai solar calendar 236–237
Tibetan calendar 阴水牛年
(female Water-Ox)
−180 or −561 or −1333
    — to —
(male Wood-Tiger)
−179 or −560 or −1332

Year 307 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Caecus and Violens (or, less frequently, year 447 Ab urbe condita). The denomination 307 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]




  • The governor (despot) of Athens for 10 years and supporter of Cassander, Demetrius Phalereus, is obliged to flee from Athens on the approach of the Macedonian prince, Demetrius Poliorcetes. Demetrius Phalereus settles in Alexandria in Egypt.
  • Demetrius Poliorcetes re-establishes the old Athenian constitution. The grateful Athenians honour Antigonus and Demetrius as divine saviours (theoi soteres).
  • Upon becoming ruler of Epirus, Pyrrhus allies himself with his brother-in-law, Demetrius Poliorcetes, son of Antigonus.


  • The tyrant of Syracuse, Agathocles is forced to return to Syracuse to deal with growing unrest in his Sicilian dominions. Those of Agathocles' army that remain behind in Carthage are soon destroyed.
  • The Carthaginian general Hamilcar fails to take Syracuse and is captured and killed.
  • The city of Segesta in Sicily is destroyed by Agathocles.


By topic[edit]


  • Epicureanism, a system of philosophy based upon the teachings of Epicurus, is founded (approximate date).