Treaty establishing a Constitution for Europe — the abandoned Constitution for the European Union

2004 AFC Asian Cup — football tournament

Athletics at the 2004 Summer Olympics — competition at the 2004 Summer Olympics

UEFA Euro 2004 — 12th European association football championship

2004 Summer Olympics — Games of the XXVIII Olympiad, in Athens, Greece

Eurovision Song Contest 2004 — 49th edition of the Eurovision Song Contest

Copa América 2004 — 2004 edition of the Copa América association football competition

2004 Formula One World Championship — 58th season of FIA Formula One motor racing

Basketball at the 2004 Summer Olympics — Competitive event at the 2004 Summer Olympic Games

Junior Eurovision Song Contest 2004 — 2nd annual Junior Eurovision Song Contest

UEFA Euro 2004 qualifying — international football competition