Not since the Nazi era had such atrocities taken place in the heart of Europe.
In the streets of Sarajevo, a once-cosmopolitan capital, terrified civilians spent their days dodging snipers’ bullets and shellfire, a years-long urban siege that ultimately left 10,000 people dead.
In the supposed U.N. haven of Srebrenica, some 8,000 Muslim men and boys as young as 12 were herded to the slaughter, their bodies tossed into mass graves.
On Wednesday, a U.N. tribunal found former Bosnian Serb commander Ratko Mladic — known as the “Butcher of Bosnia” — guilty of genocide and crimes against humanity amid the blood-soaked breakup of Yugoslavia in the 1990s. Mladic, 74, was...