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The 150s BC

60 sourced entries across 10 years, inside the 2nd century BC. Each year below opens its own page; the lines under it are that year’s highest-ranked entries.

159 BCE8 entries

  • Attalus II Philadelphus succeeds his brother Eumenes II as king of Pergamon.
  • With the Seleucid victory in Judea over the Maccabees, Alcimus is re-established as the High Priest of Israel, and a strong force is left in Jerusalem to support him. However, he does not enjoy his triumph for long, as he dies soon after from a paralytic stroke.
  • While Eucratides I is in north west India to claim possession of the previous Bactrian King Demetrius I's territory there, the Parthians, under Mithradates I, annex two Bactrian provinces. Returning from India to reconquer them, Eucratides is murdered by his son.

158 BCE3 entries

  • At the request of the Romans, Ariarathes V, king of Cappadocia, rejects a proposal from the Seleucid king, Demetrius I, for him to marry the sister of Demetrius I. In response, Seleucid forces attack Cappadocia and remove Ariarathes V from the Cappadocian throne. Demetrius I then replaces him with Orophernes Nicephorus, a supposed son of the late king, Ariarathes IV. With Ariarathes V deprived of his kingdom, he flees to Rome.

157 BCE8 entries

  • Jonathan Maccabeus is recognised by the Seleucids as a minor king within their dominions.
  • After Ariarathes V has been deposed from the Cappadocian throne by the Seleucid king Demetrius I Soter and has fled to Rome, the new king of Cappadocia, Orophernes, sends two ambassadors to Rome to join the Seleucid emissaries of Demetrius in opposing Ariarathes V's return to power. Despite their efforts, Ariarathes V is restored to his throne by the Romans. However, Rome allows Orophernes to reign jointly with him. The joint government, however, does not last long, as Ariarathes V becomes sole king of Cappadocia shortly afterwards.
  • During his time in Carthage, Cato is so struck by the evidence of Carthaginian prosperity that he is convinced that the security of Rome now depends on the annihilation of Carthage. From this time on, Cato keeps repeating the cry "Ceterum censeo Carthaginem esse delendam" ("Moreover, I advise that Carthage must be destroyed") at the end of all his speeches, no matter what subject they concern.

156 BCE1 entries

  • The first Dalmatian war begins.

155 BCE4 entries

  • As part of the Roman efforts to fully conquer and occupy the whole of Illyria, a Roman army under consul Publius Cornelius Scipio Nasica Corculum attacks the Dalmatians for the first time and conquers the Dalmatian capital of Delminium. As a result, the Dalmatians are compelled to pay tribute to Rome, which puts an end to the first Dalmatian war. In recognition of his victory, Corculum is granted a triumph in Rome.
  • Under the command of Punicus and then Caesarus, the Lusitani, a Hispanic tribe, reach a point near modern day Gibraltar. Here they are defeated by the Roman praetor Lucius Mummius.
  • Menander I (known as Milinda in Sanskrit and Pali) begins his reign as king of the Indo-Greek Kingdom. His territories cover the eastern dominions of the divided Greek empire of Bactria (Panjshir and Kapisa) and extend to the modern Pakistani province of Punjab, most of the Indian states of Punjab and Himachal Pradesh and the Jammu region. His capital is considered to have been Sagala, a prosperous city in northern Punjab believed to be modern Sialkot.

154 BCE9 entries

  • The Rebellion of the Seven States against the Han dynasty fails and Emperor Jing of Han further consolidates his power at the expense of the regional, semi-autonomous kings governing the eastern portion of the empire.
  • The Egyptian king Ptolemy VI Philometor defeats his brother, Ptolemy VIII Euergetes, after he attempts to seize Cyprus by force. Nevertheless Philometor restores his brother to Cyrenaica, marries one of his daughters to him, and grants him a grain subsidy.
  • The Lusitanians harry the inhabitants of the Roman provinces in Hispania. At the same time, the Celtiberians of Numantia on the Douro revolt against their Roman occupation.

153 BCE4 entries

  • The uprisings in Rome's Hispanic provinces oblige the year's consuls to take office earlier than the traditional date of 15 March, a change that becomes permanent. Some suggest that, as a consequence, January 1 becomes the first day of the Roman year.
  • As a result of the rise of the pretender, Alexander Balas, Demetrius I Soter is forced to recall most of his garrisons in Judea. To retain control of Judea, he makes a bid to gain the loyalty of Jonathan Maccabeus, whom he permits to recruit an army and to take back the hostages that the Syrians are holding in the city of Acre. Jonathan gladly accepts these terms, takes up residence in Jerusalem and begins to fortify the city, becoming High Priest of Jerusalem until 143 BC.
  • Substantial parts of the city of Sikyon are destroyed by an earthquake.

152 BCE4 entries

  • The pretender to the Seleucid throne, Alexander Balas, makes contact with Jonathan Maccabeus offering him terms even more favorable than those offered by the king Demetrius I Soter. In particular, Alexander offers him the official appointment as High Priest in Jerusalem. In response, Jonathan withdraws his support from Demetrius and declares his allegiance to Alexander. Thus Jonathan becomes the first member of his family to achieve appointment as High Priest.

151 BCE7 entries

  • Agnimitra succeeds his father Pushyamitra Shunga as emperor of the Shunga dynasty.
  • Roman armies under the leadership of praetor Servius Sulpicius Galba and the proconsul Lucius Licinius Lucullus arrive in Hispania Ulterior and begin the process of subduing the local population. The revolt of the Celtiberians of Numantia is stopped.
  • Roman forces help the thriving Greek commercial port of Massilia combat raids from the Celts from Cisalpine Gaul.

150 BCE12 entries

  • Scipio Aemilianus is sent by the Roman general, Lucius Licinius Lucullus, to Numidia to obtain some elephants from the Numidian king Masinissa, the friend of his grandfather Scipio Africanus. While there, he witnesses a great but indecisive battle between the Numidians and the Carthaginians. The latter then ask Scipio Aemilianus to arrange a settlement, but the negotiations break down.
  • The Romans, led by praetor Servius Sulpicius Galba, defeat the Lusitanians in a major battle in Hispania. He then breaks his promise to the defeated Lusitanian rebels by instituting a massacre of 9,000 of their number during the peace talks. Later 20,000 more Lusitanians are sold as slaves in Gaul.
  • The enlargement of the Great Stupa of Sanchi, Madhya Pradesh, India begins, taking about 100 years.