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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 Events Han dynasty was restored in China as Liu Xiu[?] proclaimed himself emperor, start of jiangwu era (->56). Pomponius Mela formalizes the climatic zone system. Births Deaths Cremutius Cordus
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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Deaths