197

Year 197 (CXCVII) was a common year starting on Saturday of the Julian calendar. 

 Events 
 By place 
 Roman Empire 
 February 19 – Battle of Lugdunum: Emperor Septimius Severus defeats Decimus Clodius Albinus at Lugdunum (modern Lyon). 
 Septimius Severus returns to Rome.  He has about 30 of Albinus's supporters in the Senate killed. 
 Septimius Severus forms new naval units.
 The Roman army goes east to stop a Parthian invasion of Mesopotamia. They loot the royal palace at Ctesiphon and take many people as slaves.

 By topic 
 Arts and sciences 
 Galen's major work on medicines, Pharmacologia, is published.

 Religion 
 A Christian council is held in Edessa.

 Births 
 Deng Ai, Wei general (d. 264)

 Deaths 
 February 19 – Clodius Albinus, rival for Roman Emperor (b. 150)
 Cao Ang, first son of Cao Cao (b. 175)
 Cao Anmin, nephew of Cao Cao
 Dian Wei, bodyguard to warlord Cao Cao
 Guo Si, general under Dong Zhuo  (b. 146)
 Huche'er, general under Zhang Xiu
 Li Jue, general under Dong Zhuo
 Liang Gang, general under Yuan Shu
 Qiao Rui, general during the Han Dynasty
 Yue Jiu, general during the Han Dynasty