Aug. 5
1921 — Radio station KDKA and announcer Harold Arlin provide the first broadcast of a major league game — the Pirates' 8-5 victory over the Phillies at Pittsburgh.
1954 — In the first election for the Boxing Hall of Fame, 24 fighters are chosen from the modern era, including Jack Dempsey, Joe Louis and Henry Armstrong. Fifteen are selected from the pioneer era, including John L. Sullivan, Gentleman Jim Corbett and Jack Johnson.
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.
1997 — Michael Johnson wins his third straight 400-meter title at the world championships in Athens, Greece, capturing the gold medal in 44.12 seconds. Sally Barsosio becomes the first Kenyan woman to win a gold medal at either the World Championships or the Olympics, taking the 10,000 meters in a world junior record time of 31:32.92.
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.