Hiero II ( el, Ἱέρων Β΄; c. 308 BC – 215 BC) was the Greek tyrant of Syracuse from 275 to 215 BC, and the illegitimate son of a Syracusan noble, Hierocles, who claimed descent from

Gelon Gelon also known as Gelo (Greek: Γέλων ''Gelon'', ''gen.'': Γέλωνος; died 478 BC), son of Deinomenes, was a Greek tyrant of the Sicilian cities Gela and Syracuse, and first of the Deinomenid rulers. Early life Gelon was the son o ...

. He was a former general of

Pyrrhus of Epirus Pyrrhus (; grc-gre, Πύρρος ; 319/318–272 BC) was a Greek king and statesman of the Hellenistic period.Plutarch. '' Parallel Lives'',Pyrrhus... He was king of the Greek tribe of Molossians, of the royal Aeacid house, and later he be ...

and an important figure of the First Punic War. He figures in the story of famed thinker

Archimedes Archimedes of Syracuse (;; ) was a Greek mathematician, physicist, engineer, astronomer, and inventor from the ancient city of Syracuse in Sicily. Although few details of his life are known, he is regarded as one of the leading scientists ...

shouting "Eureka".

Rise to power

Syracuse Philistis Tetradrachm 218 BC 80000114

On the departure of Pyrrhus from

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

(275 BC) the Syracusan army and citizens appointed him commander of the troops. He strengthened his position by marrying the daughter of Leptines, the leading citizen. In the meantime, the

Mamertines The Mamertines ( la, Mamertini, "sons of Mars", el, Μαμερτῖνοι) were mercenaries of Italian origin who had been hired from their home in Campania by Agathocles (361–289 BC), Tyrant of Syracuse and self-proclaimed King of Sicily. ...

, a body of

Campania Campania (, also , , , ) is an administrative Regions of Italy, region of Italy; most of it is in the south-western portion of the Italian peninsula (with the Tyrrhenian Sea to its west), but it also includes the small Phlegraean Islands and the i ...

n mercenaries who had been employed by

Agathocles Agathocles ( Greek: ) is a Greek name, the most famous of which is Agathocles of Syracuse, the tyrant of Syracuse. The name is derived from , ''agathos'', i.e. "good" and , ''kleos'', i.e. "glory". Other personalities named Agathocles: *Agathocles ...

, had seized the stronghold of

Messina Messina (, also , ) is a harbour city and the capital of the Italian Metropolitan City of Messina. It is the third largest city on the island of Sicily, and the 13th largest city in Italy, with a population of more than 219,000 inhabitants in ...

, and proceeded in harassing the Syracusans. They were finally defeated in a pitched battle near

Mylae Milazzo ( Sicilian: ''Milazzu''; la, Mylae; ) is a town (''comune'') in the Metropolitan City of Messina, Sicily, southern Italy; it is the largest commune in the Metropolitan City after Messina and Barcellona Pozzo di Gotto. The town has a p ...

along the

Longanus The Longanus (also Longanos or Loitanus) was a river in north-eastern Sicily on the Mylaean plain. As recorded by Polybius, it was where the Mamertines were drastically defeated by Hiero II of Syracuse in around 269 BC. The small settlement of ...

river by Hiero, who was only prevented from capturing Messina by

Carthaginian The term Carthaginian ( la, Carthaginiensis ) usually refers to a citizen of Ancient Carthage. It can also refer to: * Carthaginian (ship), a three-masted schooner built in 1921 * Insurgent privateers; nineteenth-century South American privateers, ...

interference. His grateful countrymen then made him

king King is the title given to a male monarch in a variety of contexts. The female equivalent is queen, which title is also given to the consort of a king. *In the context of prehistory, antiquity and contemporary indigenous peoples, the tit ...

(275).

First Punic War

In 264 BC he again returned to the attack, and the Mamertines called in the aid of

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

. Hiero at once joined the Punic leader

Hanno Hanno may refer to: People * Hanno (given name) :* Hanunu (8th century BC), Philistine king previously rendered by scholars as "Hanno" *Hanno ( xpu, 𐤇𐤍𐤀 , '; , ''Hannōn''), common Carthaginian name :* Hanno the Navigator, Carthagi ...

, who had recently landed in Sicily; but fighting a battle to an inconclusive outcome with the Romans led by the

consul Consul (abbrev. ''cos.''; Latin plural ''consules'') was the title of one of the two chief magistrates of the Roman Republic, and subsequently also an important title under the Roman Empire. The title was used in other European city-states throu ...

Appius Claudius Caudex Appius Claudius Caudex ( 264 BC) was a Roman politician. He was the younger brother of Appius Claudius Caecus, and served as consul in 264 BC. In that year, he drew Rome into conflict with Carthage over possession of Sicily. In 265 BC, Hiero II of ...

, he withdrew to Syracuse. Pressed by the Roman forces, in 263 he concluded a treaty with Rome, by which he was to rule over the south-east of Sicily and the eastern coast as far as

Tauromenium Taormina ( , , also , ; scn, Taurmina) is a ''comune'' (municipality) in the Metropolitan City of Messina, on the east coast of the island of Sicily, Italy. Taormina has been a tourist destination since the 19th century. Its beaches on ...

Polybius Polybius (; grc-gre, Πολύβιος, ; ) was a Greek historian of the Hellenistic period. He is noted for his work , which covered the period of 264–146 BC and the Punic Wars in detail. Polybius is important for his analysis of the mixed ...

i. 8–16;

Zonaras Joannes or John Zonaras ( grc-gre, Ἰωάννης Ζωναρᾶς ; 1070 – 1140) was a Byzantine Greek historian, chronicler and theologian who lived in Constantinople (modern-day Istanbul, Turkey). Under Emperor Alexios I Komnenos he held th ...

Viii. 9.

After the Punic War

From this time until his death in 215 BC he remained loyal to the Romans, and frequently assisted them with men and provisions during the Punic war. He kept up a powerful fleet for defensive purposes, and employed his famous kinsman

in the construction of those engines that, at a later date, played so important a part during the siege of Syracuse by the Romans. According to a story told by

Vitruvius Vitruvius (; c. 80–70 BC – after c. 15 BC) was a Roman architect and engineer during the 1st century BC, known for his multi-volume work entitled '' De architectura''. He originated the idea that all buildings should have three attribut ...

, Hiero suspected he was being cheated by the goldsmith to whom he had supplied the gold to make a

votive crown A votive crown is a votive offering in the form of a crown, normally in precious metals and often adorned with jewels. Especially in the Early Middle Ages, they are of a special form, designed to be suspended by chains at an altar, shrine or im ...

for a temple. He asked Archimedes to find out if all the gold had been used, as had been agreed.

, on discovering the principle of

displacement Displacement may refer to: Physical sciences Mathematics and Physics * Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

needed to measure the

density Density (volumetric mass density or specific mass) is the substance's mass per unit of volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' can also be used. Mathematical ...

of the crown is said to have shouted " eureka, eureka!" while running naked through Syracuse. Vitruvius concludes this story by stating that Archimedes' method successfully detected the goldsmith's fraud; he had taken some of the gold and substituted silver instead.

Legacy and honors

A picture of the prosperity of Syracuse during his rule is given in the sixteenth idyll of

Theocritus Theocritus (; grc-gre, Θεόκριτος, ''Theokritos''; born c. 300 BC, died after 260 BC) was a Greek poet from Sicily and the creator of Ancient Greek pastoral poetry. Life Little is known of Theocritus beyond what can be inferred from h ...

, his favourite poet. Diod. Sic. xxii. 24-xxvi. 24; Polybius i. 8-vu. 7;

Justin Justin may refer to: People * Justin (name), including a list of persons with the given name Justin * Justin (historian), a Latin historian who lived under the Roman Empire * Justin I (c. 450–527), or ''Flavius Iustinius Augustus'', Eastern Rom ...

xxiii. 4. In ''

The Prince ''The Prince'' ( it, Il Principe ; la, De Principatibus) is a 16th-century political treatise written by Italian diplomat and political theorist Niccolò Machiavelli as an instruction guide for new princes and royals. The general theme of ''The ...

'' (Chapter 6), Machiavelli cites Hiero as an exceptionally virtuous man and a rare example of someone who rose to princely power from previously being a private individual, comparing him to

Moses Moses hbo, מֹשֶׁה, Mōše; also known as Moshe or Moshe Rabbeinu (Mishnaic Hebrew: מֹשֶׁה רַבֵּינוּ, ); syr, ܡܘܫܐ, Mūše; ar, موسى, Mūsā; grc, Mωϋσῆς, Mōÿsēs () is considered the most important pro ...

Cyrus Cyrus ( Persian: کوروش) is a male given name. It is the given name of a number of Persian kings. Most notably it refers to Cyrus the Great ( BC). Cyrus is also the name of Cyrus I of Anshan ( BC), King of Persia and the grandfather of Cyrus ...

Theseus Theseus (, ; grc-gre, Θησεύς ) was the mythical king and founder-hero of Athens. The myths surrounding Theseus his journeys, exploits, and friends have provided material for fiction throughout the ages. Theseus is sometimes describ ...

, and

Romulus Romulus () was the legendary foundation of Rome, founder and King of Rome, first king of Ancient Rome, Rome. Various traditions attribute the establishment of many of Rome's oldest legal, political, religious, and social institutions to Romulus ...

References

* , width=25% align=center, Preceded by:
Controlled by

, width=25% align=center, Tyrant of Syracuse
275 BC – 215 BC , width=25% align=center, Succeeded by:

Hieronymus Hieronymus, in English pronounced or , is the Latin form of the Ancient Greek name (Hierṓnymos), meaning "with a sacred name". It corresponds to the English given name Jerome. Variants * Albanian: Jeronimi * Arabic: جيروم (Jerome) * Basq ...

, - {{DEFAULTSORT:Hiero 02 Of Syracuse 300s BC births 215 BC deaths Sicilian tyrants Pyrrhic War Sicilian Greeks 3rd-century BC rulers 3rd-century BC Syracusans