Why was July 28 1914 significant for the serbian people?

July 28, 1914, was significant for the Serbian people as it marked the beginning of World War I, triggered by the assassination of Archduke Franz Ferdinand of Austria in Sarajevo on June 28, 1914. This event heightened nationalist sentiments in Serbia and led to a series of military alliances and conflicts that would engulf Europe. The war had profound consequences for Serbia, resulting in immense loss of life, territorial changes, and a struggle for national identity. Ultimately, it set the stage for significant political and social upheaval in the region.