What year did the paleolithic era start and end?

The Paleolithic age started about 750,000 B.C. to 500,000 B.C. and ended around approximately 8,500 B.C.

Answera discharge of static electricity;

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.