The massacre of 45 ethnic Albanian villagers at Racak by Serbian Interior Ministry police shatters the ceasefire agreed in October and renews the threat of Nato bombing.
Serbian and Albanian negotiators, summoned by Western powers, begin peace negotiations at the chateau of Rambouillet, near Paris.
Kosovo Albanians unilaterally sign peace deal calling for a broad interim autonomy and 28,000 Nato troops to implement it. Serbs refuse; talks suspended.
International peace monitors evacuate Kosovo, as Yugoslav forces build up and launch offensives against rebels.
The US special envoy, Richard Holbrooke (right) gives President Slobodan Milosevic final warning of war, but secures no concessions.
Nato launches scattered air strikes across Yugoslavia as EU leaders meet. Belgrade declares state of war. Yevgeny Primakov, then Russian Prime Minister, turns around his aircraft over the Atlantic while on the way to Washington for talks on international loans.
Ethnic Albanians fleeing or expelled from Kosovo start pouring into Albania and Macedonia.
Russian Prime Minister, Yevgeny Primakov visits Belgrade and is seen laughing and joking with Milosevic.
Serbia declares unilateral ceasefire ahead of Orthodox Easter, brushed aside by Nato. Kosovo Albanians form a government in exile run by the KLA.
"Co-operative" talks in Oslo between Secretary of State Madeleine Albright and Russian Foreign Minister Igor Ivanov give the first sign Moscow is abandoning unquestioning support of Milosevic.
President Boris Yeltsin appoints former prime minister Viktor Chernomyrdin, seen as less pro-Milosevic than Primakov, as Russia's Balkans envoy.
Nato summit in Washington. Tony Blair fails to persuade allies to launch ground war.
Group of Seven leading industrial powers and Russia (the G8), agree in Bonn on blueprint for ending the war.
Nato bombing of Chinese embassy in Belgrade derails peace effort. Russia and China denounce Nato, and angry crowds demonstrate outside US and British embassies in Peking.
Yugoslavia says it is withdrawing some forces from Kosovo. Major Western powers dismiss the statement.
Search for peace further complicated as Yeltsin sacks Primakov and appoints Sergei Stepashin as Prime Minister
President Martti Ahtisaari of Finland, a former career UN diplomat, is brought into the peace process and meets UN Secretary-General Kofi Annan in the Netherlands. Ahtisaari, US Deputy Secretary of State Strobe Talbott and Chernomyrdin begin criss-crossing Europe as momentum towards a peace deal builds up.
Nato admits bombing Kosovo village of Korisa (right) but rejects blame for 87 civilian deaths
Head of UN fact-finding mission, Sergio Vieira de Mello, says he saw "revolting" evidence of ethnic cleansing after visit to Kosovo.
Nato allies agree to increase to about 48,000 the ground force being assembled for eventual use in Kosovo. Spokesman Jamie Shea says the war has reached "the end of the beginning" and all conditions for victory are in place.
UN war crimes tribunal indicts Milosevic and four others for crimes against humanity.
Official Yugoslav news agency Tanjug says Yugoslavia accepts "the general principles" agreed by the Group of Eight as a basis for bringing peace to Kosovo.
Ahtisaari (left) and Chernomyrdin leace Bonn for Belgrade after a delay caused by last-minute talks on the shape of peace proposals. They have first round of meetings with Milosevic
After further talks with Milosevic, peace plan is passed by Serbian parliament, and Belgrade accepts it.Reuse content