170 BC

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Millennium: 1st millennium BC
170 BC in various calendars
Gregorian calendar 170 BC
Ab urbe condita 584
Ancient Egypt era XXXIII dynasty, 154
- Pharaoh Ptolemy VI Philometor, 11
Ancient Greek era 152nd Olympiad, year 3
Assyrian calendar 4581
Balinese saka calendar N/A
Bengali calendar −762
Berber calendar 781
Buddhist calendar 375
Burmese calendar −807
Byzantine calendar 5339–5340
Chinese calendar 庚午(Metal Horse)
2527 or 2467
    — to —
辛未年 (Metal Goat)
2528 or 2468
Coptic calendar −453 – −452
Discordian calendar 997
Ethiopian calendar −177 – −176
Hebrew calendar 3591–3592
Hindu calendars
 - Vikram Samvat −113 – −112
 - Shaka Samvat N/A
 - Kali Yuga 2931–2932
Holocene calendar 9831
Iranian calendar 791 BP – 790 BP
Islamic calendar 815 BH – 814 BH
Javanese calendar N/A
Julian calendar N/A
Korean calendar 2164
Minguo calendar 2081 before ROC
Nanakshahi calendar −1637
Seleucid era 142/143 AG
Thai solar calendar 373–374
Tibetan calendar 阳金马年
(male Iron-Horse)
−43 or −424 or −1196
    — to —
(female Iron-Goat)
−42 or −423 or −1195

Year 170 BC was a year of the pre-Julian Roman calendar, at the time it was known as the Year of the Consulship of Mancinus and Serranus (or, less frequently, year 584 Ab urbe condita). The denomination 170 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]



  • With the guardians of the young king Ptolemy VI Philometor demanding the return of Coele-Syria to Egyptian control, the Seleucid king, Antiochus IV Epiphanes, decides on a preemptive strike against Egypt and invades the country, conquering all but the city of Alexandria. He is also able to capture Ptolemy VI.
  • Antiochus IV decides to let Ptolemy VI continue as king of Egypt, but as his puppet. He does this to minimise any reaction from Rome towards his invasion. Antiochus IV then departs Egypt to deal with disturbances in Palestine, but he safeguards his access to Egypt with a strong garrison in Pelusium.
  • With Antiochus IV now absent from the country, the citizens of Alexandria choose Ptolemy VI's brother Ptolemy VIII Euergetes II as their king. The two Ptolemy brothers agree to rule Egypt jointly with their sister Cleopatra II and Coele Syria is invaded by the Egyptian forces.

Seleucid Empire[edit]

  • The usurped high priest of Judea, Jason, does not abandon his claims to being the high priest which he has lost to Menelaus two years earlier. While Antiochus IV is waging war against Egypt, he succeeds in making himself master of Jerusalem once more and forces Menelaus to seek refuge in the citadel.