YearEvent
585 BCE

Go to Thales of Miletus (fl. 585 bc) in The Oxford Dictionary of Philosophy (2 rev ed.)

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c. 550 BCE

Go to zodiac in World Encyclopedia (1 ed.)

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c. 529 BCE

Go to Pythagoras (c.580–500 bc) in World Encyclopedia (1 ed.)

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c. 510 BCE

Go to Hecataeus in Oxford Dictionary of the Classical World (1 ed.)

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c. 500 BCE

Go to magnetite in A Dictionary of Chemistry (6 ed.)

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Go to amber in A Dictionary of Biology (6 ed.)

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c. 450 BCE

Go to Empedocles of Acragas (c.495–c.435 bc) in The Oxford Dictionary of Philosophy (2 rev ed.)

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Go to Philolāus in Oxford Dictionary of the Classical World (1 ed.)

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c. 420 BCE

Go to atomism in World Encyclopedia (1 ed.)

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c. 400 BCE

Go to Hippocrates in The Oxford Dictionary of Philosophy (2 rev ed.)

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c. 380 BCE

Go to four humours in The Oxford Dictionary of Philosophy (2 rev ed.)

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c. 350 BCE

Go to Eudoxus of Cnidus (c.400 bc–350 bc) in A Dictionary of Scientists (1 ed.)

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c. 330 BCE

Go to Aristotle (384–322 bc) in World Encyclopedia (1 ed.)

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c. 300 BCE

Go to Theophrastus (c. 372 bc–287 bc) in A Dictionary of Scientists (1 ed.)

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Go to Epicureanism in World Encyclopedia (1 ed.)

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c. 270 BCE

Go to Aristarchus of Samos (c.320–c.250 bc) in A Dictionary of Astronomy (2 rev ed.)

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c. 250 BCE

Go to Archimedes' principle in A New Dictionary of Eponyms (1 ed.)

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c. 220 BCE

Go to Eratosthenes of Cyrene (275–195bc ) in The Concise Oxford Dictionary of Mathematics (4 ed.)

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c. 140 BCE

Go to Hipparchus of Nicaea (c.190–c.120 bc) in A Dictionary of Astronomy (2 rev ed.)

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c. 130 BCE

Go to precession of the equinoxes in A Dictionary of Astronomy (2 rev ed.)

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Go to Hipparchus of Nicaea (c.190–c.120 bc) in A Dictionary of Astronomy (2 rev ed.)

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129 BCE

Go to Hipparchus of Nicaea (c.190–c.120 bc) in A Dictionary of Astronomy (2 rev ed.)

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c. 150

Go to Ptolemy (130–75) in The Oxford Dictionary of Byzantium (1 ed.)

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