285 BC

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Millennium: 1st millennium BC
285 BC in various calendars
Gregorian calendar285 BC
Ab urbe condita469
Ancient Egypt eraXXXIII dynasty, 39
- PharaohPtolemy I Soter, 39
Ancient Greek era123rd Olympiad, year 4
Assyrian calendar4466
Balinese saka calendarN/A
Bengali calendar−877
Berber calendar666
Buddhist calendar260
Burmese calendar−922
Byzantine calendar5224–5225
Chinese calendar乙亥年 (Wood Pig)
2413 or 2206
    — to —
丙子年 (Fire Rat)
2414 or 2207
Coptic calendar−568 – −567
Discordian calendar882
Ethiopian calendar−292 – −291
Hebrew calendar3476–3477
Hindu calendars
 - Vikram Samvat−228 – −227
 - Shaka SamvatN/A
 - Kali Yuga2816–2817
Holocene calendar9716
Iranian calendar906 BP – 905 BP
Islamic calendar934 BH – 933 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar2049
Minguo calendar2196 before ROC
Nanakshahi calendar−1752
Seleucid era27/28 AG
Thai solar calendar258–259
Tibetan calendar阴木猪年
(female Wood-Pig)
−158 or −539 or −1311
    — to —
(male Fire-Rat)
−157 or −538 or −1310

Year 285 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Canina and Lepidus (or, less frequently, year 469 Ab urbe condita). The denomination 285 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]


Seleucid Empire[edit]


  • The success of Qi has frightened the other states. Under the leadership of Lord Mengchang, who has been exiled in Wei, Qin, Zhao, Han and Yan form an alliance. Yan had normally been a relatively weak ally of Qi and Qi feared little from this quarter. Yan's onslaught under general Yue Yi comes as a devastating surprise. Simultaneously, the other allies attack from the west. Chu declares itself an ally of Qi but contents itself with annexing some territory to its north. Qi's armies are destroyed while the territory of Qi is reduced to the two cities of Ju and Jimo. King Min himself is later captured and executed by his own followers.