<a href="https://en.wikipedia.org/wiki/Kosovo_War" id="mwAXI" rel="mw:WikiLink" title="Kosovo War">Kosovo War</a>: <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Operation_Joint_Guardian" id="mwAXM" rel="mw:WikiLink" title="Operation Joint Guardian">Operation Joint Guardian</a> begins when a <a href="https://en.wikipedia.org/wiki/NATO" id="mwAXQ" rel="mw:WikiLink" title="NATO">NATO</a>-led <a href="https://en.wikipedia.org/wiki/United_Nations" id="mwAXU" rel="mw:WikiLink" title="United Nations">United Nations</a> peacekeeping force (<a href="https://en.wikipedia.org/wiki/Kosovo_Force" id="mwAXY" rel="mw:WikiLink" title="Kosovo Force">KFor</a>) enters the province of <a href="https://en.wikipedia.org/wiki/Kosovo" id="mwAXc" rel="mw:WikiLink" title="Kosovo">Kosovo</a> in the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Federal_Republic_of_Yugoslavia" id="mwAXg" rel="mw:WikiLink" title="Federal Republic of Yugoslavia">Federal Republic of Yugoslavia</a>.