157 BC

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Millennium: 1st millennium BC
157 BC in various calendars
Gregorian calendar 157 BC
Ab urbe condita 597
Ancient Egypt era XXXIII dynasty, 167
- Pharaoh Ptolemy VI Philometor, 24
Ancient Greek era 155th Olympiad, year 4
Assyrian calendar 4594
Balinese saka calendar N/A
Bengali calendar −749
Berber calendar 794
Buddhist calendar 388
Burmese calendar −794
Byzantine calendar 5352–5353
Chinese calendar 癸未(Water Goat)
2540 or 2480
    — to —
甲申年 (Wood Monkey)
2541 or 2481
Coptic calendar −440 – −439
Discordian calendar 1010
Ethiopian calendar −164 – −163
Hebrew calendar 3604–3605
Hindu calendars
 - Vikram Samvat −100 – −99
 - Shaka Samvat N/A
 - Kali Yuga 2944–2945
Holocene calendar 9844
Iranian calendar 778 BP – 777 BP
Islamic calendar 802 BH – 801 BH
Javanese calendar N/A
Julian calendar N/A
Korean calendar 2177
Minguo calendar 2068 before ROC
Nanakshahi calendar −1624
Seleucid era 155/156 AG
Thai solar calendar 386–387
Tibetan calendar 阴水羊年
(female Water-Goat)
−30 or −411 or −1183
    — to —
(male Wood-Monkey)
−29 or −410 or −1182

Year 157 BC was a year of the pre-Julian Roman calendar, at the time it was known as the Year of the Consulship of Caesar and Orestes (or, less frequently, year 597 Ab urbe condita) and the Seventh Year of Houyuan. The denomination 157 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 Carthaginians, prevented by their treaty with Rome from engaging in armed resistance, but equally guaranteed against any loss of territory, appeal to Rome against the depredations of King Masinissa of Numidia. The Roman censor Marcus Porcius Cato heads a commission which arbitrates a truce between Carthage and her former ally, Masinissa.
  • 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.
  • 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.

Seleucid Empire[edit]


  • Gaius Marius, Roman general and politician who will be elected consul seven times; he will also introduce major reforms to the Roman army, authorising recruitment of landless citizens and reorganising the structure of the legions (d. 86 BC)
  • Sanatruces (also known as Sinatruces or Sanatruk), King of Parthia who will rule the Parthian Empire from around 77 BC (approximate date) (d. c. 70 BC)