 Complete the following phrase:  The lack of eyewitnesses accounts of the battle and the early development of the legend made it difficult to comprehend the facts related to the Battle of Kosovo. What is reliably known are the journey of the Turks from Plovdiv to Gazimestan, the time and place of the event, as well as the deaths of both rulers. The unit of Tvrtko I, King of Bosnia, and Albanian forces also took part in the battle in Lazars army. The Serbian Empire began to break-up soon after the death Stefan Dušan 1355 and it had already 