After the Franks became the rulers of Burgundy, and towards the year 870, the Burgundians left to the region nowadays known as Provence and converted it as part of their kingdom naming it Cisjurane Burgundy. Around the year 889, and a while after that new kingdom was formed, the Burgundians also founded another one towards the northern region of France and called it Transjurane Burgundy.
During the 14th century, Burgundy entered into what is known as its Golden Age. This period started after Philip the Bold, the son of the King John II of France, became the ruler of this region of France, and burgundy started expanding its territory through several conquers and treaties.
During the period of time in which Philip the bold, and his descendants John the Fearless, Charles the Bold, and Philip the Good where the rulers of burgundy, this region became expanded to territories that would include parts of the actual Belgium, Netherlands, Alsace, Picardy, Nivernals, Artois, among others. This Period finished during the reign of Charles the Bold, who was defeated in a battle, loosing his life along with the powerful kingdom he was controlling.