(CNN)Here's a look at the life of race car driver and race track owner Tony Stewart.
Birth date: May 20, 1971
Birth place: Columbus, Indiana
Birth name: Anthony Wayne Stewart
Father: Nelson Stewart
Mother: Pam Stewart (now Boas)
Three-time Sprint Cup Series champion (2002, 2005, 2011).
Owns Eldora Speedway, a dirt race track near New Weston, Ohio.
Owner of Tony Stewart Racing (TSR).
Earned the nickname "Smoke" because that's what other drivers saw coming from his tires as he steered through turns on asphalt tracks. He is also referred to as the "Rushville Rocket," "Tony the Tiger," "The Columbus Comet" and "Big Orange."
1979 - Stewart wins first his competitive race in a go-kart in Westport, Indiana.
1980 - Wins his first championship at age eight in a go-kart.
1991 - Stewart is named United States Auto Club (USAC) Rookie of the Year.
1997 - Indy Racing League Champion.
February 14, 1999 - Sprint Cup debut at the Daytona 500.
1999 - National Association for Stock Car Auto Racing (NASCAR) Winston Cup Series Rookie of the Year (now called the Sprint Cup Series).
November 2000 - Forms Tony Stewart Racing.
March 2001 - During a race at the Bristol Motor Speedway in Tennessee, Stewart bumps Jeff Gordon's car on a pit road. He is fined $10,000 and placed on probation through August 2001.
July 2001 - Immediately after the Pepsi 400, Stewart confronts Winston Cup Director Gary Nelson, in the process batting a tape recorder out of a reporter's hand and then kicking it under a truck. Stewart is fined $10,000 for the incident, and his probation is extended through the rest of the season.
August 2002 - NASCAR officials fine Stewart $10,000 and place him on probation for the rest of the season after hitting a photographer after a race at the Indianapolis Motor Speedway. Stewart announces he is undergoing anger management counseling.
November 2002 - Wins his first NASCAR Winston Cup championship.
2004 - Establishes the Tony Stewart Foundation, which focuses on caring for at-risk or endangered animals, critically or chronically ill children and drivers injured in motor racing.
November 2005 - Wins his second NASCAR Winston Cup championship.
2009 - Becomes a driver/owner with Stewart-Haas Racing after establishing the company with Gene Haas.
June 2009 - Is the first driver/owner to win a Sprint Cup race since 1998.
2011 - Wins his third Sprint Cup title, becoming the first driver/owner to win the championship since 1992. Stewart wins the title on a tie-breaker, as he had five wins for the season compared to Carl Edwards' one.
August 25, 2012 - After a collision, Stewart throws his helmet at Matt Kenseth's car during a race at Bristol Motor Speedway in Tennessee.
August 5, 2013 - Stewart crashes while racing on a dirt track at Southern Iowa Speedway in Oskaloosa, Iowa, breaking two bones in his right leg. The wreck ends his racing season.
August 9, 2014 - Stewart strikes and kills 20-year-old sprint car driver Kevin Ward, Jr., during a dirt track race in Canandaigua, New York. Ward's car hits the wall, knocking him out of the race. Stewart hits Ward after he steps out of the vehicle and onto the track. Soon after, the Ontario County Sheriff's Department begins an investigation into Ward's death.
August 31, 2014 - After skipping three other NASCAR races, Stewart returns to the racetrack at Atlanta Motor Speedway.
September 16, 2014 - It is announced that the evidence gathered after Tony Stewart's race car struck and killed another driver who was walking on the track will be given to a grand jury.
September 24, 2014 - The Ontario County (New York) District Attorney announces that a grand jury found no reason to charge Stewart in connection with the on-track death of sprint car racer Kevin Ward, Jr. The grand jury had heard testimony from more than two dozen witnesses and reviewed photos and videos before making its decision.