420 BC
From Wikipedia, the free encyclopedia
| Centuries: | 6th century BC · 5th century BC · 4th century BC |
| Decades: | 450s BC 440s BC 430s BC 420s BC 410s BC 400s BC 390s BC |
| Years: | 423 BC 422 BC 421 BC 420 BC 419 BC 418 BC 417 BC |
[edit] Events
[edit] By place
[edit] Greece
[edit] Births
[edit] Deaths
- Protagoras, Greek philosopher
