On this day in 1999, NATO launched 78 days of airstrikes against the Federal Republic of Yugoslavia without Security Council authorization, in direct violation of the UN Charter. No NATO commander was ever investigated or prosecuted.
Yugoslav government records tallied 1,200–2,500 civilians killed and 5,000 wounded.
NATO fired 15 tons of DU munitions. Four zones in southern Serbia were confirmed contaminated, with projectiles buried 1.5–2 meters deep.