This article is about the Jedi Order of the Galactic Republic. You may be looking for the New Jedi Order.
The Jedi Order was the organization of Jedi during the Old Republic. It was formed before the start of the Old Republic and lasted until Order 66 and the fall of the Jedi Knights. The Order served as peacekeepers of the galaxy, who would check and balance the overwhelming force of the Dark Side of the Force with the Light Side, acting only out of defense of themselves or others.