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|161 by topic|
|Ab urbe condita||914|
|Balinese saka calendar||82–83|
|Chinese calendar||庚子年 (Metal Rat)|
2857 or 2797
— to —
辛丑年 (Metal Ox)
2858 or 2798
|Coptic calendar||−123 – −122|
|- Vikram Samvat||217–218|
|- Shaka Samvat||82–83|
|- Kali Yuga||3261–3262|
|Iranian calendar||461 BP – 460 BP|
|Islamic calendar||475 BH – 474 BH|
|Minguo calendar||1751 before ROC|
|Seleucid era||472/473 AG|
|Thai solar calendar||703–704|
287 or −94 or −866
— to —
288 or −93 or −865
Year 161 (CLXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Caesar and Aurelius (or, less frequently, year 914 Ab urbe condita). The denomination 161 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.
- March 7 – Emperor Antoninus Pius dies, and is succeeded by Marcus Aurelius, who shares imperial power with Lucius Verus, although Marcus retains the title Pontifex Maximus.
- Marcus Aurelius, a Spaniard like Trajan and Hadrian, is a stoical disciple of Epictetus, and an energetic man of action. He pursues the policy of his predecessor and maintains good relations with the Senate. As a legislator, he endeavors to create new principles of morality and humanity, particularly favoring women and slaves.
- Aurelius reduces the weight of a goldpiece, the aureus, from 7.81 grams to 7.12 grams.
- Autumn – The Parthians invade Armenia, and install their own candidate on the throne. A legion (perhaps Legio IX Hispana) is destroyed at Elegeia.
Art and Science
- Gaius' Institutiones are published.
- The silver content of the Roman denarius falls to 68 percent under Emperor Marcus Aurelius, down from 75 percent under Antoninus Pius.
- August 31 – Commodus, Roman emperor (d. 192)
- Liu Bei, founder of the Shu Han (Three Kingdoms) (d. 223)
- Lucius Vibullius Hipparchus, Roman nobleman (approximate date)
- Lü Dai, general of the Eastern Wu state (Three Kingdoms) (d. 256)
- "Antoninus Pius | Roman emperor". Encyclopedia Britannica. Retrieved 10 December 2020.