2004 was a leap year.
February 4 - Dragan Maršićanin (DSS official), with the help of the votes of the Socialists, was elected President of the Assembly of Serbia and at the same time became c. d. President of Serbia.
February 4 - Four Harvard students set up the social network Facebook from their dorm room.
March 3 - The Serbian Parliament elects a new Serbian government headed by Vojislav Kostunica, the DSS leader. In the Government, in addition to this party, are G17 + and the SPO-NS coalition. The government was elected with the support of SPS deputies, whose representatives did not enter Kostunica's cabinet.
March 4 - The Hilandar Monastery burned in a fire.
March 4 - Predrag Markovic (G 17 +) is elected president of the Serbian parliament.
March 11 - A terrorist attack on three train stations in Madrid kills 192 people and injures more than 1,400.
March 17 - Albanian demonstrations erupt in Kosovo and Metohija, turning into a pogrom against Serbs. In that pogrom, which lasted for three days, several people were killed and dozens of churches and monasteries were destroyed.
March 26 - Secretary General of the Football Association of Serbia and Montenegro, Branko Bulatovic, is killed in Belgrade.
March 29 - Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia and Slovenia become full members of NATO.
April 4 - Presidential elections in Serbia are announced for June 13.
April 15 - The Folklore Ensemble "Rožaje" was founded.
May 1 - The enlargement of the European Union to include 10 new countries: Estonia, Cyprus, Latvia, Lithuania, Hungary, Malta, Poland, Slovenia, Slovakia and the Czech Republic.
May 2 - The first indictee for the assassination of Prime Minister Zoran Djindjic, Milorad Ulemek Legija, surrenders to police in Belgrade.
May 31 - Landing at Charles de Gaulle Airport in Paris, the supersonic plane "Concord" of the French company Air France made its last flight.
June 27 - In the second round of elections for president of Serbia, Boris Tadic (DS leader) defeats Tomislav Nikolic (deputy president of the SRS) and is elected the third president of Serbia.
July 11 - Boris Tadic solemnly takes office as President of Serbia.
August 31 - Defense witnesses begin testifying at the trial in The Hague against former Serbian and FRY presidents Slobodan Milosevic.