304 BC

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Millennium: 1st millennium BC
Centuries: 5th century BC4th century BC3rd century BC
Decades: 330s BC  320s BC  310s BC  – 300s BC –  290s BC  280s BC  270s BC
Years: 307 BC 306 BC 305 BC304 BC303 BC 302 BC 301 BC
304 BC in other calendars
Gregorian calendar 304 BC
Ab urbe condita 450
Ancient Egypt era XXXIII dynasty, 20
- Pharaoh Ptolemy I Soter, 20
Ancient Greek era 119th Olympiad (victor
Assyrian calendar 4447
Bengali calendar −896
Berber calendar 647
Buddhist calendar 241
Burmese calendar −941
Byzantine calendar 5205–5206
Chinese calendar 丙辰(Fire Dragon)
2393 or 2333
    — to —
丁巳年 (Fire Snake)
2394 or 2334
Coptic calendar −587 – −586
Discordian calendar 863
Ethiopian calendar −311 – −310
Hebrew calendar 3457–3458
Hindu calendars
 - Vikram Samvat −247 – −246
 - Shaka Samvat N/A
 - Kali Yuga 2798–2799
Holocene calendar 9697
Iranian calendar 925 BP – 924 BP
Islamic calendar 953 BH – 952 BH
Julian calendar N/A
Korean calendar 2030
Minguo calendar 2215 before ROC
Seleucid era 8/9 AG
Thai solar calendar 239–240

Year 304 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Sophus and Severrio (or, less frequently, year 450 Ab urbe condita). The denomination 304 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 siege of Rhodes ends after a year as Demetrius Poliorcetes meets with obstinate resistance from the citizens of Rhodes who are supported by Ptolemy (thereby earning Ptolemy the title of Soter (Saviour)). Antigonus then concludes a peace treaty and an alliance with the island state, guaranteeing it autonomy and neutrality in his conflicts with Ptolemy.[1]
  • Cassander invades Attica and besieges Athens. Demetrius Poliorcetes drives Cassander out of central Greece and liberates Athens. In return, the Athenians bestow on him a new religious honour, synnaos ("having the same temple") of the temple of the goddess Athena.

Roman Republic[edit]

  • The second Samnite war formally ends with a peace agreement in which the Samnites obtain peace on terms that are severe but not as crushing as those agreed by the Romans with the Etruscans four years earlier. Under the peace, Rome gains no territory, but the Samnites renounce their hegemony over Campania. Rome is also successful in ending the revolts amongst the tribes surrounding Roman territory.[1]






  1. ^ a b Dupuy, R. Ernest; Dupuy, Trevor N. (1986). The Encyclopedia of Military History. New York: Harper & Row. p. 54. ISBN 0-06-181235-8.  Cite error: Invalid <ref> tag; name "Dupuy" defined multiple times with different content (see the help page).