284 BC

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Millennium: 1st millennium BC
284 BC in various calendars
Gregorian calendar 284 BC
Ab urbe condita 470
Ancient Egypt era XXXIII dynasty, 40
- Pharaoh Ptolemy I Soter, 40
Ancient Greek era 124th Olympiad (victor
Assyrian calendar 4467
Balinese saka calendar N/A
Bengali calendar −876
Berber calendar 667
Buddhist calendar 261
Burmese calendar −921
Byzantine calendar 5225–5226
Chinese calendar 丙子(Fire Rat)
2413 or 2353
    — to —
丁丑年 (Fire Ox)
2414 or 2354
Coptic calendar −567 – −566
Discordian calendar 883
Ethiopian calendar −291 – −290
Hebrew calendar 3477–3478
Hindu calendars
 - Vikram Samvat −227 – −226
 - Shaka Samvat N/A
 - Kali Yuga 2817–2818
Holocene calendar 9717
Iranian calendar 905 BP – 904 BP
Islamic calendar 933 BH – 932 BH
Javanese calendar N/A
Julian calendar N/A
Korean calendar 2050
Minguo calendar 2195 before ROC
Nanakshahi calendar −1751
Seleucid era 28/29 AG
Thai solar calendar 259–260
Tibetan calendar 阳火鼠年
(male Fire-Rat)
−157 or −538 or −1310
    — to —
(female Fire-Ox)
−156 or −537 or −1309

Year 284 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Tucca and Denter/Dentatus (or, less frequently, year 470 Ab urbe condita). The denomination 284 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]

Roman Republic[edit]


Asia Minor[edit]

  • Ptolemy I's eldest (legitimate) son, Ptolemy Keraunos, whose mother, Eurydice, the daughter of Antipater, had been repudiated by the new King Ptolemy II, flees Egypt to the court of Lysimachus, the king of Thrace, Macedon and Asia Minor.
  • Lysimachus' wife, Arsinoe, being keen to gain the succession to the kingdom of Thrace for her sons in preference to Agathocles (the eldest son of Lysimachus), intrigues against him with the help of her brother Ptolemy Keraunos. They accuse him of conspiring with Seleucus to seize the throne, and Agathocles is put to death. This atrocious deed by Lysimachus and his family arouses great indignation. Many of the cities in Asia Minor revolt and some of his most trusted friends desert him.
  • Agathocles' widow Lysandra flees with their children and with Alexander, Agathocles' brother, to the court of Seleucus, who at once invades Lysimachus' territory in Asia Minor.