Historians can examine the change that took place in Yugoslav society before, after and during the war from various viewpoints. This chapter examines the historian's interdependence, whereby the events that lead to the transformation of society, or in the light of social institutions and their structures. Political and social history are connected to everyday and cultural history by the concept of the Lebenswelt, since every individual is integrated into certain structures which he or she finds already present in his or her Lebenswelt. The chapter explores the specific question about the Lebenswelt in the contemporary historical context of Southeastern Europe. It deals with the destruction of ethnic pluralisms and with the war and its causes, course and consequences on a Yugoslav level, the concept of the Lebenswelt is more suitable for the investigation of the history of a city or region and the transformational processes taking place within.