9 CE
AD 9 – Roman finances become strained following the Danubian insurrection and the Battle of the Teutoburg Forest, resulting in the levying of two new taxes: five percent on inheritances, and one percent on sales. AD 9 – Cunobeline is first recorded to be king of the Catuvellauni at Camulodunum (modern-day Colchester) in Britain. AD 9 – The Bellum Batonianum (Great Illyrian Revolt) in Dalmatia is suppressed.
Conflict & Security
- AD 9 – Roman finances become strained following the Danubian insurrection and the Battle of the Teutoburg Forest, resulting in the levying of two new taxes: five percent on inheritances, and one percent on sales.source
- AD 9 – The Bellum Batonianum (Great Illyrian Revolt) in Dalmatia is suppressed.source
Religion & Belief
Crime & Justice
- AD 9 – Empress Wang is given the title of Duchess Dowager of Ding'an, while Ruzi Ying, the former Emperor of Han, becomes the Duke of Ding'an. Ruzi Ying is placed under house arrest.source
Culture & Society
- AD 9 – Cunobeline is first recorded to be king of the Catuvellauni at Camulodunum (modern-day Colchester) in Britain.source
- AD 9 – In order to increase the number of marriages, and ultimately the population, the Lex Papia Poppaea is adopted in Italy. This law prohibits celibacy and childless relationships.source
Deaths
- AD 9 – Marcus Caelius, Roman centurion (b. c. 45 BC)source