Editing 170

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{{About year|170|the year of the pre-Julian Roman calendar|170 BC|the engineering group|170 (Infrastructure Support) Engineer Group|the MBTA bus|170 (MBTA bus)}}
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Year '''170''' ('''[[Roman numerals|CLXX]]''') was a [[common year starting on Sunday]] of the [[Julian calendar]]. At the time, it was known as the '''Year of the Consulship of Clarus and Cornelius''' (or, less frequently, '''year 923 ''[[Ab urbe condita]]'''''). The denomination 170 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.

== Events ==
=== By place ===
==== Roman Empire ====
* The [[Suebian]] tribes of the [[Marcomanni]] cross the [[Danube]] and invade [[Northern Italy]]. The [[Roman army]] (20,000 men) is destroyed near [[Carnuntum]] in [[Pannonia]]. 
* The Marcomanni plunder Opitergium (modern [[Oderzo]]) and besiege [[Aquileia]]. This is the first time hostile forces have entered Italy since [[101 BC]].
* Emperor [[Marcus Aurelius]] writes in [[Sirmium]] ([[Pannonia]]) his first of 12 books of the ''[[Meditations]]'' in [[Koine Greek]]. 
* The [[Costoboci]] cross the Danube ([[Dacia]]) and ravage [[Thrace]] in the [[Balkans|Balkan Peninsula]]. They reach [[Eleusina]], near [[Athens]], and destroy the temple of the [[Eleusinian Mysteries]].<ref>{{Cite journal |last=Oliver |first=James H. |date=1970 |title=Marcus Aurelius: Aspects of Civic and Cultural Policy in the East |url=https://www.jstor.org/stable/1353922 |journal=Hesperia Supplements |volume=13 |pages=i–168 |doi=10.2307/1353922 |jstor=1353922 |issn=1064-1173}}</ref>
* Marcus Aurelius orders humane treatment for [[Christians]] and [[slavery|slaves]] throughout the [[Roman Empire]]. 
* An [[Equestrian Statue of Marcus Aurelius]] is erected in [[Ancient Rome|Rome]].
* The [[Porta Nigra]] is built in [[Augusta Treverorum]] (modern [[Trier]]). (approximate date)<ref>{{Cite journal |last=Gwatkin |first=William E. |date=1933 |title=Roman Trier |url=https://www.jstor.org/stable/3289840 |journal=The Classical Journal |volume=29 |issue=1 |pages=3–12 |jstor=3289840 |issn=0009-8353}}</ref>

== Births ==
* [[Guo Jia]], Chinese politician and adviser (d. [[207]])
* [[Herodian]], Roman historian and writer (d. [[240]])
* [[Julia Domna]], Roman empress consort (d. [[217]])
* [[Philostratus]], Greek [[sophist]] (approximate date)
* Vibia Aurelia Sabina, Marcus Aurelius' last surviving child (d. 217)<ref>{{Cite journal |last=Brunt |first=P. A. |date=1974 |title=Marcus Aurelius in His Meditations |url=https://www.jstor.org/stable/299256 |journal=The Journal of Roman Studies |volume=64 |pages=1–20 |doi=10.2307/299256 |jstor=299256 |s2cid=162754817 |issn=0075-4358}}</ref>

== Deaths ==
* [[Alexander of Abonoteichus]], Greek mystic (b. [[AD 105]])
* [[An Shigao]], Chinese [[Buddhism|Buddhist]] missionary (b. [[AD 148]])
* [[Apuleius]], Numidian philosopher and writer (b. [[AD 124]])
* [[Demonax]], Greek philosopher and writer (b. c. [[AD 70]])
* [[Junius Rusticus]], Roman teacher and politician (b. [[AD 100]])
* [[Marcus Cornelius Fronto]], Roman grammarian (b. AD 100)
* [[Ptolemy]], Greek mathematician and astronomer (b. AD 100)

== References ==
{{Reflist}}

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