January 1, 2004
Athletics at the 2004 Summer Olympics — competition at the 2004 Summer Olympics
UEFA Euro 2004 qualifying — international football competition
UEFA Euro 2004 — 12th European association football championship
2004 AFC Asian Cup — football tournament
2004 Summer Olympics — Games of the XXVIII Olympiad, in Athens, Greece
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
Tennis at the 2004 Summer Olympics — Competitive event at the 2004 Summer Olympic Games