The 3rd millennium AD is a period in Earth's history that spans from the 21st to the 30th century.
Centuries[]
- 21st century
- 22nd century
- 23rd century
- 24th century
- 25th century
- 26th century
- 27th century
- 28th century
- 29th century
- 30th century
External link[]
| 2nd millennium AD | Timeline | 4th millennium AD |