Ten years ago: Lance Armstrong won his seventh consecutive Tour de France (he was later stripped of all his titles after admitting to doping). Sir Richard Doll, the British scientist who first established a link between smoking and lung cancer, died in Oxford, England, at age 92.
Five years ago: A stampede inside a tunnel crowded with techno music fans left 21 people dead and more than 500 injured at the famed Love Parade festival in western Germany. Fourteen-year-old Jim Liu beat Justin Thomas 4 and 2 to become the youngest U.S. Junior Amateur champion at Egypt Valley Country Club in Ada, Michigan.
One year ago: Air Algerie Flight 5017, an MD-83 carrying 116 people, crashed in northern Mali, killing all on board; it was the third major international aviation disaster in a week. A psychiatrist's patient opened fire at a medical complex in Media, Pennsylvania, killing his caseworker and grazing his psychiatrist before the doctor pulled out his own weapon and fired back, wounding the patient. Baltimore Ravens running back Ray Rice received a two-game suspension from the NFL following his offseason arrest for domestic violence after an altercation with then-fiancee (later wife) Janay Palmer in Atlantic City, New Jersey.