190s

Roman Empire

• 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.

China

• 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 Chang'an.

Parthia

• 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.

Economics

• 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%.

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