| Millennia: | 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 |
| Millennia: | 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 |