Olympics champion Michael Phelps has been banned for three months after his drug use. Here is his complete factfile.

1985: June 30 - Born Michael Fred Phelps in Baltimore, Maryland.

1992: Takes up swimming after being diagnosed with attention-deficit

hyperactivity disorder (ADHD).

2000: Aged 15, becomes the youngest American male swimmer to compete at an Olympic Games in 68 years. Fails to win a medal in Sydney, however.

2001: Becomes youngest man (15 years and nine months) ever to break swimming world record with new mark in 200m butterfly and then beats his own record on way to gold at World Championships in Fukuoka.

2002: Wins three golds at Pan-Pacific Championships in Yokohama (200m

individual medley, 400m individual medley, 4x100m medley relay) plus silvers in 200m butterfly and 4x200m freestyle relay.

2003: April - Honoured as the country's top amateur athlete when he becomes the 10th swimmer to be handed the Sullivan Award.

July - Becomes first swimmer ever to break five individual world records at one event en route to four golds at World Championships in Barcelona (200m butterfly, 200m individual medley, 400m individual medley, 4x100m medley relay).

Also picks up silver medals in 100m butterfly and 4x200m freestyle relay.

2004: Wins six gold medals at the Athens Olympics (100m butterfly, 200m

butterfly, 200m individual medley, 400m individual medley, 4x200m freestyle relay, 4x100m medley relay) plus two bronzes (200m freestyle, 4x100m freestyle relay). His feat of achieving eight medals matches that of Russian gymnast Alexander Dityatin in 1980.

October - Wins gold in 200m freestyle at short-course World Championships in Indianapolis.

2005: Becomes first man to win five golds at World Championships with five triumphs in Montreal (200m freestyle, 200m individual medley, 4x100m freestyle relay, 4x200m freestyle relay, 4x100m medley relay). Also takes silver in 100m butterfly.

2006: Wins five golds at Pan-Pacific Championships in Victoria (200m

butterfly, 200m individual medley, 400m individual medley, 4x100m freestyle relay, 4x200m freestyle relay) plus silver in 200m backstroke.

2007: Claims four world records and seven gold medals at World Championships in Melbourne (200m freestyle, 100m butterfly, 200m butterfly, 200m individual medley, 400m individual medley, 4x100m freestyle relay, 4x200m freestyle relay).

2008: Lowers his own world records in 200m and 400m individual medleys at US Olympic trials.

August - Equals Mark Spitz's record of seven gold medals in a single Olympics by winning the 100m butterfly, 200m freestyle, 200m butterfly, 200m individual medley, 400m individual medley and 4x100m medley.

2009: February 1 - A newspaper publishes a photo of him inhaling from the type of glass pipe used to smoke cannabis.

The swimmer issues a public apology for his "regrettable" behaviour and for having "demonstrated bad judgment".

February 5 - USA Swimming bans Phelps for three months and withdraws financial support not because of an anti-doping violation but "because Michael disappointed so many people, particularly the hundreds of thousands of USA Swimming member kids who look up to him as a role model and a hero."

Sponsors Kellogg decide not to renew their contract with him when it expires at the end of the month.