Question

the earliest astronomer to make an accurate calendar

Answer 1

Julius Caesar instigated calendar reform in 46 BCE and introduced what is now called the Julian calendar, based upon the 365 1⁄4 day year length originally proposed by the 4th century BCE Greek astronomer Callippus.

Answer 2

Explanation:

Julius Caesar instigated calendar reform in 46 BCE and introduced what is now called the Julian calendar, based upon the 365 1⁄4 day year length originally proposed by the 4th century BCE Greek astronomer Callippus.

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