1992: Armstrong begins his career as professional cyclist after a successful stint as a triathlete.
1993: Armstrong wins the UCI Road World Championship and takes part in his first Tour de France.
August 1996: Armstrong rides in the Atlanta Olympics, but fails to medal.
October 1996: Two months after the Olympics, Armstrong is diagnosed with stage three testicular cancer.
1997: Still recovering from cancer, Armstrong establishes the Lance Armstrong Foundation, which would later become the Livestrong Foundation.
1998: Armstrong begins his comeback to cycling with the US Postal team and finishes fourth in the Vuelta a España, the grand tour of Spain.
1999: Armstrong wins his first Tour de France and begins to face charges of doping.
2000: Armstrong wins a second Tour, French media levels new doping charges.
2001: Armstrong wins a third Tour with Lance-mania in full swing.
Despite the cloud of uncertainty, Armstrong was regarded as a hero in the United States.
2002: Armstrong continues to dominate.
2003: Armstrong captures his closest Tour victory.
2004: Armstrong sets the record for consecutive Tour wins.
2005: Armstrong wins his seventh Tour and retires from cycling.
2006: Armstrong turns to marathon running, but can't escape doping allegations.
2009: Armstrong returns to cycling.
2010: Armstrong takes one last stab at winning.
2011: Former teammate Tyler Hamilton accuses Armstrong of doping on an episode of "60 Minutes."
2012: USADA releases bombshell report, UCI strips Armstrong of all cycling titles.
2013: Armstrong confesses to doping in interview with Oprah.