(5th century BC - 4th century BC - 3rd century BC - other centuries)
(2nd millennium BC - 1st millennium BC - 1st millennium AD)
Events:
- Invasion of the Celts into Ireland
- Kingdom of Macedon conquers Persian empire
- Romans build first aqueduct
- Chinese use bellows
- Plato, philosopher
- Aristotle, philosopher and scientist
- Philip II of Macedon
- Alexander the Great, King of Macedon, invades Asia Minor, Persia and reaches India
- Shang Yang, Prime Minister of Qin, his reform helped Qin to become the strongest country and later unified China.