May 20 - For the first time ever, two world Heavyweight champions defend their titles the same night, at the same place: Larry Holmes retains the WBC title defeating future two time world champion Tim Witherspoon[?], and Michael Dokes[?] retains his WBA title with a 15 round draw (tie) against former world champion Mike Weaver[?].
November 10 - Marvin Hagler retains his unified world Middleweight title with a 15 round unanimous decision over Roberto Duran. It was 1983's most anticipated bout.
February 8 - the great Shergar was kidnapped from Ballymany Stud, near the Curragh in County Kildare, Ireland. No trace of the horse has ever been found.
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subprior 1429.
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in consequence of the pope's rejection of the
bishop-elect of Utrecht, Rudolph of ...