"Ancient history" is the study of The study of the distant past and the relevent events.
Several topics in "Ancient history" include Technology of anicient cities, Life in the anicient past, Culture and religion of ancient lands, Geography of the Greek/Romans.
Some motivations are To help us understand how we got to where we are today. To help us understand the changes that our society has gone through. It helps us understand how our time and climate is changing.
Julius Caesar, Cicero, Alexander the Great, Sima Qian are a few specialists of "Ancient history".