September 30, 2005
2005 CONCACAF Gold Cup — 2005 edition of the association football competition CONCACAF Gold Cup
2005 FIFA Club World Championship — second edition of FIFA Club World Championship
Junior Eurovision Song Contest 2005 — 3rd annual Junior Eurovision Song Contest
2005 in film — overview of film-related events during the year of 2005
Jyllands-Posten Muhammad cartoons controversy — controversy relating to the publication of depictions of the Islamic prophet Muhammad
2005 FIFA Confederations Cup — 7th FIFA Confederations Cup, held in Germany
Tulip Revolution — 2005 revolution in Kyrgyzstan
2005 World Championships in Athletics — 10th World Championships in Athletics
2005 Formula One World Championship — sports season
January 2005 — month of 2005