Eratosthenes
276 BCE–194 BCE* · Person
Cyrenean polymath; chief librarian at Alexandria; estimated the Earth's circumference by comparing the noon Sun at Syene (Aswan) and Alexandria.
On these timelines: Ancient Greece, Master, People, Arts and Thoughts, Ancient Egypt
More from Ancient Greece
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- Hellenistic period (323 BCE)
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- Minoan civilisation (2000 BCE)
- Bronze Age collapse (1200 BCE)
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Around 276 BCE
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- Second Punic War (218 BCE)
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