Centuries: 1st century BC - 1st century - 2nd century

Decades: 20s BC 10s BC 0s BC 0s 10s - 20s - 30s 40s 50s 60s 70s

Years: 20 21 22 23 24 - 25 - 26 27 28 29 30

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Events

• Han dynasty was restored in China as Liu Xiu proclaimed himself emperor, start of jiangwu era (->56).
• Luoyang becomes the capital of the Eastern Han Dynasty.
• Pomponius Mela formalizes the climatic zone system.
• Tiberius settles a dispute between Messenia and Sparta over the Ager Dentheliales on Mount Taygetus , awarding the land to Messenia.
• Aelius Sejanus unsuccessfully attempts to marry the widow of Drusus Julius Caesar.
• Cossus Cornelius Lentulus, Marcus Asinius Agrippa become consuls

Births

Deaths

• Aulus Cremutius Cordus, Roman historian