June 30, 1966 - Mike Gerard Tyson is born in Brooklyn, New York to Lorna Tyson and Jimmy Kirkpatrick.
1978 - Tyson, 12, is arrested in Brooklyn for purse-snatching and sent to Tryon School for Boys.
1979 - A boxing instructor at a New York State correction facility for boys brought Tyson to the attention of Cus D'Amato, who had guided Floyd Patterson to the heavyweight title.
1982 - Tyson is expelled from Catskill High School for a series of transgressions.
1984 - D'Amato becomes Tyson's legal guardian.
March 6, 1985 - In his professional debut, Tyson defeats Hector Mercedes in one round.
Nov. 4, 1985 - D'Amato dies of pneumonia.
Jan. 1986 - "When you see me smash somebody's skull, you enjoy it."
Feb. 1986 - "I try to catch them right on the tip of his nose because I try to punch the bone into the brain."
Nov. 22, 1986 - Tyson knocks out Trevor Berbick in the second round, winning the WBC heavyweight title to become the youngest heavyweight champion in history at age 20.
March 3, 1987 - Tyson defeats James "Bonecrusher" Smith at Las Vegas to win the WBA heavyweight title.
May 30, 1987 - Tyson knocks out Pinklon Thomas in the sixth round at Las Vegas to retain his WBA-WBC heavyweight titles.
May 30, 1987 - "Every shot was thrown with bad intentions. I was hoping he would get up so I could hit him again and keep him down."
Aug. 1, 1987 - Tyson decisions Tony Tucker to retain the WBA-WBC heavyweight titles and win the IBF heavyweight title.
Oct. 16, 1987 - Knocks out Tyrell Biggs in the seventh round in Atlantic City to retain the world heavyweight title.
Jan. 22, 1988 - Tyson knocks out Larry Holmes in the fourth round to retain the world heavyweight title.
Feb. 9, 1988 - Tyson weds actress Robin Givens in New York.
March 1988 - "Real freedom is having nothing. I was freer when I didn't have a cent. Do you know what I do sometimes? Put on a ski mask and dress in old clothes, go out on the streets and beg for quarters."
March 1988 - "I love to hit people. I love to. Most celebrities are afraid someone's going to attack them. I want someone to attack me. No weapons. Just me and him. I like to beat men and beat them bad."
March 1988 - "When I fight someone, I want to break his will. I want to take his manhood. I want to rip out his heart and show it to him."
March 21, 1988 - Tyson knocks out Tony Tubbs to retain the world heavyweight title.
May 1988 - Tyson dents his Bentley convertible in a traffic accident in Manhattan. He gives the $183,000 car to two cops, later resulting in their suspensions.
June 17, 1988 - Robin Givens and her family publicly accuse Tyson of domestic violence.
June 1988 - "Anyone with a grain of sense would know that if I punched my wife I would rip her head off. It's all lies. I have never laid a finger on her."
June 27, 1988 - Tyson sues manager Bill Cayton to break their contract.
June 27, 1988 - Tyson knocks out Michael Spinks in 91 seconds to become undisputed linear heavyweight champion.
July 27, 1988 - Settles Cayton suit out of court, reducing Cayton's managerial share from one-third to 20 percent of purses.
Aug. 23, 1988 - Breaks a bone in his right hand in a 4 a.m. street brawl with professional fighter Mitch Green in Harlem.
Sept. 4, 1988 - Tyson crashes his BMW into a tree. The New York Daily News reports three days later that it was a suicide attempt.
Sept. 4, 1988 - Tyson is knocked unconscious after driving his BMW into a tree. Three days later, the New York Daily News reports the accident was a "suicide attempt" caused by a "chemical imbalance" that made him violent and irrational.
Sept. 30, 1988 - Givens says in a nationally televised interview that Tyson is a manic-depressive and that she is afraid of him. Tyson sits meekly next to her.
Oct. 7, 1988 - Givens files for divorce.
Oct. 14, 1988 - Tyson countersues Givens for divorce and annulment.
Oct. 26, 1988 - Tyson becomes partners with Don King.
Dec. 12, 1988 - Sandra Miller of New York sues Tyson for allegedly grabbing her, propositioning her and insulting her at a nightclub.
Dec. 15, 1988 - Lori Davis of New York sues Tyson for allegedly grabbing her buttocks while she was dancing at the same nightclub on the same night as the incident with Miller.
Feb. 14, 1989 - Tyson and Givens are divorced in the Dominican Republic.
Feb. 25, 1989 - Tyson knocks out Frank Bruno to retain the world heavyweight title.