201 CE

A flood in Edessa destroys a Christian church, killing over 2,000 people. Lucius Annius Fabianus and Marcus Nonius Arrius Mucianus become Roman Consuls. Battle of Cangting: Warlord Cao Cao defeats his rival, Yuan Shao.

Geopolitics & Diplomacy

Lucius Annius Fabianus and Marcus Nonius Arrius Mucianus become Roman Consuls.source

Conflict & Security

Battle of Cangting: Warlord Cao Cao defeats his rival, Yuan Shao.source

Climate & Environment

November – A flood in Edessa destroys a Christian church, killing over 2,000 people.source

Births

Decius, Roman emperor (d. 251)source

Deaths

Zhao Qi, Chinese official and scholarsource
Galen, Greek physician (see 210) (b. 129)source