- Feb 2 Russian pop girl duo Tatu start a four-week run at #1 on the UK singles chart with "All The Things She Said"
- Mar 10 "My Front Porch Looking In" single released by Lonestar (Billboard Song of the Year 2003)
- Jun 27 Glastonbury Festival in Pilton, England opens: Radiohead, Moby, and R.E.M. headline; other performers include David Gray, The Polyphonic Spree; Jimmy Cliff, Sigur Rós, Los Lobos, and Yes
- Sep 13 British rock singer Mike Smith (Dave Clark Five) fractures spine falling while trying to enter his home after locking himself out, becomes permanently paralyzed from the waist down
Dec 5 Mexican singer Thalia the "Queen of Latin Pop" is awarded a star on the Hollywood Walk of Fame in Los Angeles