Simone Biles competes in the floor exercise during Day two of the 2016 U.S. Women's Gymnastics Olympic Trials at SAP Center, July 10, 2016, in San Jose, California.

1984 — The Summer Olympics open in Los Angeles with a record 140 nations competing. The Soviet Union and 13 Communist allies, including Cuba and East Germany, boycott the games. 1987 — Laura Davies ...