23


 * This article is about the year AD 23. For other uses, see, , or .

Year 23 was a (link will display the full calendar) of the.

Roman Empire

 * publishes Geography, a work covering the world known to the and  at the time of Emperor  - it is the only such book to survive from the ancient world.
 * ' son dies.  From that point forward, he seems to lose interest in the Empire and occupies himself with the pursuit of pleasure.
 * begins to dominate the and, after the death of Julius Caesar Drusus.
 * and Gaius Antistius Vetus become.

Asia

 * , a descendant of the royal family and leader of insurgents against the, proclaims himself emperor against.
 * June — After being sieged for 2 months, 9,000 insurgents under defeat 450,000 of 's troops in the, ushering in the fall of Wang Mang and restoration of the  in China.

Births

 * , Roman scientist and writer

Deaths

 * —, daughter of , the first person recorded to be strangled by the trunk of an elephant
 * —, son of the Emperor , poisoned
 * —, "usurper" of the throne of the and Emperor of the Xin Dynasty
 * , Chinese astronomer
 * , Chinese general
 * , King of Mauretania
 * , King of Mauretania