190 CE
A Roman road crosses the Alps, by the Simplon Pass. Cleomedes teaches that the moon does not glow on its own, but rather reflects sunlight. The Campaign against Dong Zhuo begins. During the Battle of Xingyang, Cao Cao's army is defeated by Dong Zhuo.
In the 190s, the 2nd century.
Geopolitics & Diplomacy
- A part of Rome burns; Emperor Commodus orders the city to be rebuilt, under the name Colonia Commodiana.source
Conflict & Security
Exploration & Expansion
- A Roman road crosses the Alps, by the Simplon Pass.source
Economy & Finance
Science & Discovery
- Cleomedes teaches that the moon does not glow on its own, but rather reflects sunlight.source
Disasters & Accidents
- Luoyang is burned and plundered by the forces of Dong Zhuo. The court is moved to Chang'an.source
Culture & Society
- First year of the Chuping era of the Chinese Han Dynasty.source
Births
- Quintus Egnatius Proculus, Roman politician (approximate date)source
- Ma Su, Chinese general and strategist of the Shu Han state (died 228)source
- Liu Yin (or Xiuran), Chinese general of the Shu Han state (died 269)source
- Gaius Furius Sabinius Aquila Timesitheus, Roman praetorian prefect (died 243)source
- Wang Ji (or Boyu), Chinese general of the Cao Wei state (died 261)source
Deaths
- March 6 – Liu Bian, Chinese emperor (poisoned by Dong Zhuo) (born 176)source
- April 19 – Marcus Aurelius Cleander, Roman praetorian prefectsource
- Athenagoras of Athens, Greek Christian apologist (born 133)source
- Julius of Rome, Roman politician (executed by Commodus)source
- Zhou Bi, Chinese official (executed by Dong Zhuo)source
- Emperor Seimu of Japan, according to legend.source
- Xun Shuang, Chinese politician and writer (born 128)source