For details of what happened in the main tournaments of 2004, including the major championships and the World Golf Championships, see 2004 in golf.
2004 | European Union | 2011 ATP Challenger Tour | 2012 ATP Challenger Tour | 2004 in music | European Parliament | 2013 ATP Challenger Tour | 2004 Summer Olympics | Member of the European Parliament | European Commission | PGA Tour | ATP World Tour 250 series | Tour de France | ATP World Tour 250 Series | European Space Agency | United States presidential election, 2004 | 2013 ATP World Tour | European | European Court of Human Rights | Canadian federal election, 2004 | 2012 ATP World Tour | 2001 ATP Tour | European Court of Justice | 2011 ATP World Tour | ATP World Tour 500 series | 2010 ATP World Tour | 2003 ATP Tour | Grand Tour | European Economic Community | ATP World Tour Masters 1000 |