Kosovo War Day by Day (PART 1/4) | Frontline Footage Archive Documentary (1998–1999) In March 1998, war erupted in the Yugoslav province of Kosovo, as Serb forces clashed with the Kosovo Liberation Army (KLA) in a campaign to crush Albanian separatism. Serbia's counteroffensive saw widespread atrocities and the systematic ethnic cleansing of Kosovo's ethnic Albanian population, forcing hundreds of thousands to flee their homes and resulting in a humanitarian crisis. International diplomatic effo