Re: Event of the Year
 

189

Galen publishes his "Treatise on the various temperaments" (aka On the Elements According to Hippocrates).

Re: Event of the Year
 

187

* Septimus Severus, (born Leptis Magna), is named legate of Lyonnaise Gaul.
* Another plague hits Rome.
* Albinus defeats the Chatti, a highly organized German tribe that controlled the area that includes the Black Forest.

Re: Event of the Year
 

185

Chinese astronomers note in the Astrological Annals of the Houhanshu sight supernova now identified as RCW 86, the earliest identified supernova.

Re: Event of the Year
 

184

The Yellow Turban Rebellion breaks out in China.

Re: Event of the Year
 

183

Failed assassination attempt on Roman Emperor Commodus by members of the Senate.

Re: Event of the Year
 

181

Roman cavalry general Lucius Artorius Castus is assigned to Britannia - possible source for the Arthurian legends.

Re: Event of the Year
 

180

In his Methodus Medendo, Greek physician Galen describes the connection between paralysis and the severing of the spinal cord.

Re: Event of the Year
 

178

First condemnation of the Montanist heresy.

Re: Event of the Year
 

177

A systematic persecution of Christians begins in Rome under Marcus Aurelius. Many Christians worship secretly.

Re: Event of the Year
 

175

Confucian scholars try to ensure their capacity in the royal court of China. They are massacred by the eunuchs.