-- 1992: The Bosnian War begins.
-- October 9th, 1992: A no-fly zone over central Bosnia and Herzegovina is declared by the United Nations.
-- April 12th, 1993: Operation Deny Flight begins, and is enforced by NATO to execute the no-fly zone over central Bosnia and Herzegovina.
-- June 1993: Operation Sharp Guard begins, and is enforced by NATO to execute maritime enforcement of embargo and sanctions against Yugoslavia.
-- February 28th, 1994: NATO takes its first wartime action by shooting down four Bosnian Serb aircraft violating the no-fly zone.
-- April 10th & 11th, 1994: NATO directs the bombing of a Bosnian Serb military command outpost near Goražde.
-- April 14th, 1994: Serbs took 150 U.N. personnel hostage, in retaliation of the outpost bombing from three days prior.
-- April 16th, 1994: Serb forces shoot down a British Sea Harrier over Goražde.
-- August 1995: Operation Deliberate Force begins, and is enforced by NATO to execute a two-week bombing campaign against the Army of Republika Srpska.
-- November 1995: The Dayton Agreement is executed, bringing the Yugoslav Wars to an end.  This results in Operation Joint Endeavor, and is enforced by NATO to deploy a peacekeeping force named IFOR.
-- December 1996: IFOR transitions into a smaller force named SFOR, which is initially staffed with 32,000 troops.
-- December 2004: Peacekeeping operations are passed to the European Union Force Althea.