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20s

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

Sometimes the '20s is used as shorthand for the 1920s, the 1820s, or other such decades in various centuries

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