Snooker
- World Snooker Championship – Ronnie O'Sullivan beats Graeme Dott 18-8
- World rankings – Ronnie O'Sullivan becomes world number one for 2004-05
- October 16 – in a qualifying match for the UK Championship, Jamie Burnett makes a break of 148 against Leo Fernandez and becomes the first player to achieve a break higher than the nominal maximum of 147 in a professional match.
Read more about this topic: 2004 In Sports