Tyson was an Amateur Heavyweight for several years before having his 1st pro bout as a heavyweight against Hector Mercedes on March 6, 1985, with Tyson winning by a 1st round knockout. (1:50).
Tyson won the heavyweight championship on November 22, 1986 over Trevor Berbick and lost the title on February 11, 1990 to James 'Buster' Douglas.
He won his 1st Title on November 22, 1986 against Trevor Berbick.
http://www.boxrec.com/list_bouts.php?human_id=474&cat=boxer
he won the wbc title on 22nd November 1986, the wba title on 7th march 1987 and the ibf title to become undisputed world champion on 1st august 1987.
he beat trevor berbick in November 1986 to win the wbc title.
http://www.boxrec.com/list_bouts.php?human_id=474&cat=boxer
Mike Tyson first won the WBC Heavyweight World Championship on the 22nd November 1986, winning by second round knockout against Trevor Berbick.
20 He was born on June 30, 1966 and he won his 1st Title on November 22, 1986.
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not including fractured title (there were more of them when Tyson was fighting), ali won the world title three times. Tyson unified the world title in '88 and then won two separate versions of the title in '96.
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James corbit was the first person to "win" it from John L Sullivan
Tyson was 221 and a quarter pounds when he fought Trevor Berbick for the WBC title in November 1986. He weighed 219 when he took the WBA belt from "Bonecrusher" Smith in march '87. And he was 221 when he beat Tony Tucker for the IBF belt in august '87. He was 218 when he beat Michael Spinks for the linear championship in June '88.
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Yes
The WWE World Heavyweight Championship belt was introduced in 2002, by Eric Bischoff with Triple H becoming the inaugural champion on September 2, 2002.
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Tyson's professional record was 50 wins, 6 losses, 0 draws, 2 no contests. 44 of the 50 wins came by knockout.
The Great Khali has held the World Heavyweight belt one time