decades later in the 1990's, war raged again in the balkans between bosniak's, croats, and serves -- serbs. the differences between the ethnic groups still exist today, and it becomes particularly clear now that the world is commemorating the assassination 100 years ago. >> that was when this bridge went down in history as the place where archduke frantz ferdinand of austria was assassinated. these days, it is a tourist attraction. >> 100 years ago, this month on the 28th of june -- >> the assassin, a serbian from bosnia, was sentenced to hang for his crime. while bosnian muslims and croatian catholics generally regard him as a terrorist of his time, orthodox serbs hold him up as a hero. since the bosnian war, most serbs have lived on the outskirts of the capital in eastern sarajevo. the serbian mayor has come up with a way for them to mark this anniversary year. >> we knew that it would be 100 years from the start of the first world war, and we were trying to find some very important person from our history. >> by which he means a figure for a new memorial, and that figure is none o