4,007
edits
Line 149: | Line 149: | ||
* [[Eratosthenes]] ({{circa|276|194/195 BC|lk=on}}), a Greek mathematician who [[On the measure of the Earth|calculated]] the circumference of the Earth and also the distance from the Earth to the Sun. | * [[Eratosthenes]] ({{circa|276|194/195 BC|lk=on}}), a Greek mathematician who [[On the measure of the Earth|calculated]] the circumference of the Earth and also the distance from the Earth to the Sun. | ||
Year to decade pattern: | |||
Something happened from 339{{r|MvsG2}}/338{{r|MvsG3}} to c. 220s{{nbsp}}BC, or not. | |||
Decade to year pattern: | |||
Something else happened in 430s or c. 437{{r|MvsG4}}/36{{r|MvsG5}}{{nbsp}}BC. | |||