21

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Millennium: 1st millennium
Centuries: 1st century BC1st century2nd century
Decades: 0s BC  0s  10s  – 20s –  30s  40s  50s
Years: 18 19 202122 23 24

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

Deaths