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|Centuries:||1st century – 2nd century – 3rd century|
|Decades:||160s 170s 180s – 190s – 200s 210s 220s|
|Years:||187 188 189 – 190 – 191 192 193|
|190 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||943|
|Chinese calendar||己巳年 (Earth Snake)
2886 or 2826
— to —
庚午年 (Metal Horse)
2887 or 2827
|Coptic calendar||−94 – −93|
|- Vikram Samvat||246–247|
|- Shaka Samvat||112–113|
|- Kali Yuga||3291–3292|
|Iranian calendar||432 BP – 431 BP|
|Islamic calendar||445 BH – 444 BH|
|Minguo calendar||1722 before ROC
|Seleucid era||501/502 AG|
|Thai solar calendar||732–733|
Year 190 (CXC) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Sura (or, less frequently, year 943 Ab urbe condita). The denomination 190 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.
- A part of Rome burns, and Emperor Commodus orders the city to be rebuilt under the name Colonia Commodiana.
- A Roman road crosses the Alps by the Simplon Pass.
- First year of the Chuping era of the Chinese Han Dynasty.
- The Campaign against Dong Zhuo begins.
- Luoyang is burned and plundered by the forces of Dong Zhuo. The court is moved to Xi'an.
- Osroes II controlling Media claims the throne of the Parthian Empire. King Vologases IV of Parthia puts down the rebellion and restores order.
Arts and sciences
- Cleomedes teaches that the moon does not glow on its own, but rather reflects sunlight.
- Egypt (under Roman rule) is impoverished due to an inflation rate of 100% during the previous decade.
- The percentage of silver in the Egyptian denarius is lowered from 90% to 70%.
- March 6 – Prince of Hongnong (poisoned by Dong Zhuo) (b. 176)
- Athenagoras of Athens, Christian apologist (b. 133)
- Kong Zhou, Han dynasty minister
- Zhou Bi, Han dynasty official
- Zu Mao, officer under Sun Jian