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21

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

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

Years: 16 17 18 19 20 - 21 - 22 23 24 25 26


Events Births Deaths
For the number 21, see twenty-one.