-432 ⟶ Athens Adopts Metonic Cycle for Calendar Synchronization
Athens adopts a 19-year cycle of synchronizing solar and lun...
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☀️ Earliest Greek-Recorded Solar Eclipse
April 6, 648 BC: Earliest Greek-chronicled solar eclipse.⟶
Ancient greeceAstronomyEclipseChronologyObservationNatural PhenomenaCosmology
Greece⚛️ Democritus Proposes Atomic Theory
Democritus proposes the existence of indivisible particles, which he calls atoms.⟶
Ancient greecePhilosophyAtomic TheoryNatural PhilosophyPhysicsIdeas
Greece📐 Anaxagoras' Attempt to Square the Circle
Anaxagoras tries to square the circle with a straightedge and compass.⟶
Ancient greecePhilosophyMathematicsGeometryMeasurement
Greece🗓️ Athens Adopts Metonic Cycle for Calendar Synchronization
Athens adopts a 19-year cycle of synchronizing solar and lunar calendars.⟶
Ancient greeceCalendarsAstronomyTimekeeping
Greece🧪 Empedocles Proposes Theory of Four Humors
The Greek physician and philosopher Empedocles articulates the notion that the human body has four humors: blood, bile, black bile, and phlegm, a belief that dominates medical thinking for centuries.⟶
Ancient greecePhilosophyMedicineAncient World
Greece