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This article is about the year 180. For other uses, see 180 (number).
This year is often suggested as the first year of the Three Kingdoms period of China.
Oceania
Lake Taupo erupts, forming ash clouds as far as China and Europe.
By topic
Arts and Sciences
In his Methodus Medendo, Greek physician Galen describes the connection between paralysis and the severing of the spinal cord.
Galen's popular work on hygiene is published.
Religion
July 17 — Twelve inhabitants of Scillium in Numidia are executed in Carthage (also in North Africa) for being Christians (known as the Scillitan Martyrs) — they had refused to swear an oath to the Emperor.
Commodus creates an official cult of the Zoroastrian god Mithra.