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

Events and trends

Significant people

• Tiberius, Roman Emperor (14 - 37).

20er | 20te | Dècada del 20 | 20'erne | 20er | Años 20 | 20ko hamarkada | Années 20 | 20-29 | Anni 20 | 20-as évek | 20-29 | 20年代 | 20-årene | Década de 20 | Anii 20 | 20-е | Vitet 20 | 20. | 20-luku | 20-talet | 20. yıllar | 20-ті | 20年代