Theory of the Four Humours
from c.400 BCE · Event
Hippocratic idea that health is a balance of blood, phlegm, black and yellow bile; the framework for all medieval diagnosis and treatment.
On these timelines: Medicine through Time, Master
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Around 400 BCE
- Wars of the Diadochi (322 BCE)
- Reign of Alexander the Great (336 BCE)
- Peloponnesian War (431 BCE)
- Persian invasions of Greece (499 BCE)
- Aristotle (384 BCE)
- Plato (428 BCE)
- Maurya Empire (322 BCE)
- Plato's Republic written (375 BCE)
- Alexander the Great (356 BCE)
- Euclid's Elements (300 BCE)