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- Feb 2022
It was not until the 14th century that scientists created the first sophisticated astronomical clocks.
The first sophisticated astronomical clocks were not created until the 14th century.
the first precision-geared mechanism known is a relatively simple—yet impressive for the time—geared sundial and calendar of Byzantine origin dating to about C.E. 600.
The first known precision-geared mechanism is a sundial and calendar of Byzantine origin dating to circa 600 C.E.