Cassius was pretty sure that he was doing to die. He told Messala of the omen he saw birds following them and he believe the birds were foreshadowing his own death
He saw birds following him and he believed that those birds were foreshadowing his own death.
The Battle of Philippi constituted the ultimate battle within the Wars of the Second triad between the forces of general and Roman Emperor (of the Second Triumvirate) and the leaders of Julius Caesar's assassination.
The battle consisted of two engagements in the plain west of the old city of Philippi.
That dose look good. I would take out from "...or based on facts". Art is mainly based off of opinion. I would say that "Art and what it has done has changes the world greatly."