20s
The 20s was a decade that started on 1 January 20 and ended on 31 December 29.
| Millennium: | 1st millennium |
| Centuries: | 1st century BC – 1st century – 2nd century |
| Decades: | 0s BC 0s 10s – 20s – 30s 40s 50s |
| Years: | 20 21 22 23 24 25 26 27 28 29 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
- Note: Sometimes the '20s is used as shorthand for the 1920s, the 1820s, or other such decades in various centuries
Significant people
- Tiberius, Roman Emperor (14–37).