What is 21?
{{about|the year 21|other uses|21 (disambiguation)}} {{year nav|21}} {{Year in other calendars}} '''21''' is a [[year]] in the [[1st century]]. It was a [[common year starting on Wednesday]] of the [[Julian calendar]]. At the time, it was known as the '''Year of the Consulship of Augustus and Caesar'''. == Events == * Revolt of the [[Aedui]] under [[Julius Florus]] and [[Julius Sacrovir]], suppressed by [[Gaius Silius]]. * [[Tiberius]] is a [[List of Early Imperial Roman Consuls|Roman Consul]] for the fourth time. * Beginning of the revolt in [[Africa]] led by [[Tacfarinas]]. * The Romans create a buffer state in the territory of the [[Quadi]] in southern [[Slovakia]]. * Construction of a barracks for the [[Praetorian Guard]] on the [[Quirinal]]. * [[Pen]]s and metal writing tools are made in Rome. == Deaths == * Publius Sulpicius [[Quirinius]], Roman governor of [[Syria]] * [[Marcus Valerius Messalla Barbatus]], [[List of Early Imperial Roman Consuls|Roman Consul]] (or [[20]]) * [[Arminius]], Germanic leader who slaughtered three Roman legions at the [[Battle of the Teutoburg Forest]]. * [[Empress Wang (Xin Dynasty)|Empress Wang]] * [[Daeso|King Daeso of Dongbuyeo]] [[Category:20s]]