1976 — Bruce Jenner sets the world record in the Olympic decathlon with 8,618 points, breaking Nikolai Avilov’s mark by 164 points. 1980 — Houston pitcher J.R. Richard suffers a stroke during a ...

By 1975, Jenner was the No. 1 decathlete in the world after setting a record of 8,524 points at a meet in Eugene, Oregon, and improving on that record with 8,538 points at the Olympic trials.

In a new preview of Jenner's upcoming sit-down with Diane Sawyer, the Olympic gold medalist and reality television star said audiences can expect the special to cover a range of topics. "It's ...