What are the major ancient eclipse records from various cultures that help modern astronomers understand historical variations of Earth?

Question

And what are their ancient process, methods, or equipment that helped them to learn about planetary science?

In: Planetary Science

Answer 1

Oh, the ancient records are useless for telling us anything about astronomy. We can calculate eclipses way more accurately than ancients ever managed to record them. But mentions of eclipses sometimes allow us to precicely date historical events, so they are useful for that.