__NOTOC__ 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 ''Ab urbe condita'' ( 'from the founding of the City'), or ''anno urbis conditae'' (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, the traditional founding of Rome. It is an exp ...

''). The denomination 255 BC for this year has been used since the early medieval period, when the

Anno Domini The terms (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars. The term is Medieval Latin and means 'in the year of the Lord', but is often presented using "our Lord" instead of "the Lord", ...

calendar era A calendar era is the period of time elapsed since one ''epoch'' of a calendar and, if it exists, before the next one. For example, it is the year as per the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic ...

became the prevalent method in Europe for naming years.

Events

By place

Roman Republic

* The

Battle of Adis The battle of Adys (or Adis) took place in late 255 BC during the First Punic War between a Carthaginian army jointly commanded by Bostar, Hamilcar and Hasdrubal and a Roman army led by Marcus Atilius Regulus. Earlier in the year, the new Ro ...

(or Adys) is fought near the city of that name, 40 miles (64 kilometres) southeast of

Carthage Carthage was the capital city of Ancient Carthage, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classi ...

, between Carthaginian forces and a

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a letter ...

army led by

Marcus Atilius Regulus Marcus Atilius Regulus () was a Roman statesman and general who was a consul of the Roman Republic in 267 BC and 256 BC. Much of his career was spent fighting the Carthaginians during the first Punic War. In 256 BC, he and Lucius Ma ...

. 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 (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...

Corsica Corsica ( , Upper , Southern ; it, Corsica; ; french: Corse ; lij, Còrsega; sc, Còssiga) is an island in the Mediterranean Sea and one of the 18 regions of France. It is the fourth-largest island in the Mediterranean and lies southeast of ...

and

Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label=Algherese and Catalan) is the second-largest island in the Mediterranean Sea, after ...

to Rome, renounce the use of their navy, pay an

indemnity In contract law, an indemnity is a contractual obligation of one party (the ''indemnitor'') to compensate the loss incurred by another party (the ''indemnitee'') due to the relevant acts of the indemnitor or any other party. The duty to indemni ...

, and sign a

vassal A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain. W ...

-like treaty. These terms are so harsh that the people of Carthage resolve to keep fighting. * The Carthaginians, angered by Regulus' demands, hire

Xanthippus Xanthippus (; el, Ξάνθιππος, ; c. 525-475 BC) was a wealthy Athenian politician and general during the early part of the 5th century BC. His name means "Yellow Horse." He was the son of Ariphron and father of Pericles. A marriage to A ...

, a

Sparta Sparta ( Doric Greek: Σπάρτα, ''Spártā''; Attic Greek: Σπάρτη, ''Spártē'') was a prominent city-state in Laconia, in ancient Greece. In antiquity, the city-state was known as Lacedaemon (, ), while the name Sparta referre ...

n mercenary, to reorganize the army. The revitalised Carthaginian army, led by Xanthippus, decisively defeat the Romans in the

Battle of Tunis The Battle of the Bagradas River (the ancient name of the Medjerda), also known as the Battle of Tunis, was a victory by a Carthaginian army led by Xanthippus over a Roman army led by Marcus Atilius Regulus in the spring of 255 BC, nine year ...

and capture their commander Marcus Atilius Regulus. A Roman fleet, sent to rescue Regulus and his troops, is wrecked in a storm off Sicily.

Egypt

* In the

Second Syrian War The Syrian Wars were a series of six wars between the Seleucid Empire and the Ptolemaic Kingdom, Ptolemaic Kingdom of Egypt, Diadochi, successor states to Alexander the Great's empire, during the 3rd and 2nd centuries BC over the region then c ...

Ptolemy II ; egy, Userkanaenre Meryamun Clayton (2006) p. 208 , predecessor = Ptolemy I , successor = Ptolemy III , horus = ''ḥwnw-ḳni'Khunuqeni''The brave youth , nebty = ''wr-pḥtj'Urpekhti''Great of strength , gol ...

loses ground in

Cilicia Cilicia (); el, Κιλικία, ''Kilikía''; Middle Persian: ''klkyʾy'' (''Klikiyā''); Parthian: ''kylkyʾ'' (''Kilikiyā''); tr, Kilikya). is a geographical region in southern Anatolia in Turkey, extending inland from the northeastern coa ...

Pamphylia Pamphylia (; grc, Παμφυλία, ''Pamphylía'') was a region in the south of Asia Minor, between Lycia and Cilicia, extending from the Mediterranean to Mount Taurus (all in modern-day Antalya province, Turkey). It was bounded on the north by ...

, and

Ionia Ionia () was an ancient region on the western coast of Anatolia, to the south of present-day Izmir. It consisted of the northernmost territories of the Ionian League of Greek settlements. Never a unified state, it was named after the Ionian ...

, while

Antiochus II Antiochus II Theos ( grc-gre, Ἀντίοχος Θεός, ; 286 – July 246 BC) was a Greek king of the Hellenistic Seleucid Empire who reigned from 261 to 246 BC. He succeeded his father Antiochus I Soter in the winter of 262–61 BC. He was ...

regains

Miletus Miletus (; gr, Μῑ́λητος, Mī́lētos; Hittite transcription ''Millawanda'' or ''Milawata'' (exonyms); la, Mīlētus; tr, Milet) was an ancient Greek city on the western coast of Anatolia, near the mouth of the Maeander River in a ...

and

Ephesus Ephesus (; grc-gre, Ἔφεσος, Éphesos; tr, Efes; may ultimately derive from hit, 𒀀𒉺𒊭, Apaša) was a city in ancient Greece on the coast of Ionia, southwest of present-day Selçuk in İzmir Province, Turkey. It was built in t ...

. A peace is then concluded between Antiochus and Ptolemy under which Antiochus is to marry Ptolemy's daughter

Berenice Syra Berenice ( grc, Βερενίκη, translit=Berenikē) (275 BC–246 BC), also called Berenice Phernophorus ("Dowry Bearer") or Berenice Syra, was an Egyptian princess, and a Seleucid queen regent. She was a Selecucid queen by marriage to Anti ...

Bactria

Diodotus I Diodotus I Soter (Greek: , ''Diódotos Sōtḗr''; c. 315-300 BC – c. 235 BC), was the first Hellenistic King of Bactria. Diodotus became independent of the Seleucid empire around 255 or 245 BC, and established the Diodotid Bactrian Kingdom, w ...

Seleucid The Seleucid Empire (; grc, Βασιλεία τῶν Σελευκιδῶν, ''Basileía tōn Seleukidōn'') was a Greek state in West Asia that existed during the Hellenistic period from 312 BC to 63 BC. The Seleucid Empire was founded by the ...

satrap A satrap () was a governor of the provinces of the ancient Median and Achaemenid Empires and in several of their successors, such as in the Sasanian Empire and the Hellenistic empires. The satrap served as viceroy to the king, though with consid ...

Bactria Bactria (; Bactrian: , ), or Bactriana, was an ancient region in Central Asia in Amu Darya's middle stream, stretching north of the Hindu Kush, west of the Pamirs and south of the Gissar range, covering the northern part of Afghanistan, southwe ...

, rebels against Antiochus II and becomes the founder of the

Greco-Bactrian Kingdom The Bactrian Kingdom, known to historians as the Greco-Bactrian Kingdom or simply Greco-Bactria, was a Hellenistic period, Hellenistic-era Hellenistic Greece, Greek state, and along with the Indo-Greek Kingdom, the easternmost part of the Helleni ...

China

King Hui of Zhou King Hui of Zhou (), personal name Ji Lang, was the seventeenth king of the Chinese Zhou dynasty and the fifth of Eastern Zhou.''Records of the Grand Historian'' by Sima Qian Family Queens: * Queen Chen () * Queen Hui of Zhou, of the Gui clan of ...

becomes the last claimant King of the

Zhou Dynasty The Zhou dynasty ( ; Old Chinese ( B&S): *''tiw'') was a royal dynasty of China that followed the Shang dynasty. Having lasted 789 years, the Zhou dynasty was the longest dynastic regime in Chinese history. The military control of China by th ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

By topic

Astronomy

Eratosthenes Eratosthenes of Cyrene (; grc-gre, Ἐρατοσθένης ; – ) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria ...

invents the

armillary sphere An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (on the celestial sphere), consisting of a spherical framework of rings, centered on Earth or the Sun, that represent lines of ...

, a model of the

celestial sphere In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth. All objects in the sky can be conceived as being projected upon the inner surface of the celestial sphere, ...

Births

Xu Fu Xu Fu (Hsu Fu; ) was a Chinese alchemist and explorer. He was born in 255 BC in Qi, an ancient Chinese state, and disappeared at sea in 210 BC. He served as a court sorcerer in Qin Dynasty China. Later, he was sent by Qin Shi Huang to the eas ...

, ancient Chinese alchemist

References

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