1921 — Radio station KDKA and announcer Harold Arlin provide the first broadcast of a major league game as the Pirates beat the Phillies 8-5 at Pittsburgh.
1936 — At the Berlin Olympics, Jesse Owens wins his third of four gold medals, winning the 200-meter race in an Olympic-record 20.7 seconds.
1954 — The first election for the Boxing Hall of Fame is held. Twenty-four fighters are elected, with the most noteworthy from the modern era Jack Dempsey, Joe Louis and Henry Armstrong. Fifteen are selected from the pioneer era including John L. Sullivan, Gentleman Jim Corbett and Jack Johnson.
1967 — The Denver Broncos beat the Detroit Lions, 13-7, in a preseason game, for the first AFL victory over an NFL team.
1984 — American Joan Benoit wins the first Olympic marathon for women in 2:24:52, finishing 400 meters ahead of Norway’s Grete Waitz.
1991 — Sergei Bubka becomes the first to clear 20 feet outdoors in the pole vault, breaking his own world record by a half-inch at the Galan track meet in Malmo, Sweden.
1992 — The U.S. women’s basketball team is upset by the Unified Team 79-73 in the semifinals at the Summer Olympics.
1999 — Mark McGwire becomes the 16th member of the 500-home run club, hitting two homers — Nos. 500 and 501 — in the St. Louis Cardinals’ loss to San Diego.
2005 — Jason Gore shoots a 12-under 59 in the second round of the Nationwide Tour’s Cox Classic in Omaha, Neb. Gore is the third Nationwide player to shoot a 59.
2007 — Lorena Ochoa wins the Women’s British Open — the first women’s professional tournament played at venerable St. Andrews — for her first major title.
2012 — Jamaica’s Usain Bolt claims consecutive gold medals in the marquee track and field event at the Summer Games in London. Only about fifth-fastest of the eight runners to the halfway mark, Bolt erases that deficit and overtakes a star-studded field to win the 100-meter dash final in 9.63 seconds, an Olympic record that lets him join Carl Lewis as the only men to win the event twice.
2012 — Britain’s Andy Murray cruises past Roger Federer 6-2, 6-1, 6-4 in the men’s Olympic tennis singles final at Wimbledon.
2013 — Alex Rodriguez is suspended through 2014 (211 games) and All-Stars Nelson Cruz, Jhonny Peralta and Everth Cabrera are banned 50 games apiece when Major League Baseball disciplines 13 players in a drug case — the most sweeping punishment since the Black Sox scandal nearly a century ago.
2014 — The San Antonio Spurs hire WNBA star Becky Hammon as an assistant coach, making her the first woman to join an NBA coaching staff.