Question

how do we know what might have happened hundreds of years ago and why is it important to know about ancient events​

Answer 1

Answer:

Our need to know is sometimes overwhelming. Archaeologists and anthropologists dig through dirt, study DNA samples, examine artifacts, and try to construct a picture of the earliest human ancestors. Archaeologists study the physical evolution of man as well as the development of the human condition over the ages.

Answer 2

we know our history by carbon dating, and digging the Earth etc.

this is important to know because our ansestors knows some secrets, because they build a lot of structure, that can't be built by a human, they have something engineering skills and aliens help ,