It reads like real history.
So does this chronology of part of the history of Tolkien's Middle Earth:
Timeline of Arda | The One Wiki to Rule Them All | Fandom
He was a superb story teller though - not many authors invent a coherent language with its own alphabet to underpin their work.
You will find his work, however, in the fantasy section and not the history section.
Edited by vimesey, : No reason given.
Could there be any greater conceit, than for someone to believe that the universe has to be simple enough for them to be able to understand it ?