255 BC

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Millennium: 1st millennium BC
255 BC in various calendars
Gregorian calendar255 BC
Ab urbe condita499
Ancient Egypt eraXXXIII dynasty, 69
- PharaohPtolemy II Philadelphus, 29
Ancient Greek era131st Olympiad, year 2
Assyrian calendar4496
Balinese saka calendarN/A
Bengali calendar−847
Berber calendar696
Buddhist calendar290
Burmese calendar−892
Byzantine calendar5254–5255
Chinese calendar乙巳年 (Wood Snake)
2442 or 2382
    — to —
丙午年 (Fire Horse)
2443 or 2383
Coptic calendar−538 – −537
Discordian calendar912
Ethiopian calendar−262 – −261
Hebrew calendar3506–3507
Hindu calendars
 - Vikram Samvat−198 – −197
 - Shaka SamvatN/A
 - Kali Yuga2846–2847
Holocene calendar9746
Iranian calendar876 BP – 875 BP
Islamic calendar903 BH – 902 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar2079
Minguo calendar2166 before ROC
Nanakshahi calendar−1722
Seleucid era57/58 AG
Thai solar calendar288–289
Tibetan calendar阴木蛇年
(female Wood-Snake)
−128 or −509 or −1281
    — to —
(male Fire-Horse)
−127 or −508 or −1280

Year 255 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Nobilior and Paullus (or, less frequently, year 499 Ab urbe condita). The denomination 255 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]

  • The Battle of Adis (or Adys) is fought near the city of that name, 40 miles (64 kilometres) southeast of Carthage, between Carthaginian forces and a Roman army led by Marcus Atilius Regulus. The Romans inflict a crushing defeat upon the Carthaginians, and the latter then sue for peace. The ensuing negotiations between the parties lead to Regulus demanding Carthage agree to an unconditional surrender, cede Sicily, Corsica and Sardinia to Rome, renounce the use of their navy, pay an indemnity, and sign a vassal-like treaty. These terms are so harsh that the people of Carthage resolve to keep fighting.[1]
  • The Carthaginians, angered by Regulus' demands, hire Xanthippus, a Spartan mercenary, to reorganize the army. The revitalised Carthaginian army, led by Xanthippus, decisively defeat the Romans in the Battle of Tunis and capture their commander Marcus Atilius Regulus. A Roman fleet, sent to rescue Regulus and his troops, is wrecked in a storm off Sicily.[2]






  1. ^ LLC, Arcadian Venture. "First Punic War | Battle of Adys". Arcadian Venture LLC. Retrieved December 1, 2022.
  2. ^ "Battle of Tunis, 255 BC". www.historyofwar.org. Retrieved December 1, 2022.
  3. ^ "Second Syrian War, 260-255 BC". www.historyofwar.org. Retrieved December 1, 2022.
  4. ^ Ramirez-Faria, Carlos (2007). Concise Encyclopedia of World History. Atlantic Publishers & Dist. p. 64. ISBN 978-81-269-0775-5. Bactria was sheared of by Diodotus, a Greek viceroy, from the post-Alexandrian Seleucid Empire in 256 BCE.
  5. ^ Schinz, Alfred (1996). The Magic Square: Cities in Ancient China (2nd ed.). Stuttgart, London: Deahan Printing & Publishing Co.