Aug. 20Today in sports historyToday is Aug. 20. On this date in:1912: Washington Senators ace Walter Johnson won his American League record 15th consecutive game, defeating Cleveland 4-2.1920: Representatives of the Akron Pros, Canton Bulldogs, Cleveland Indians and Dayton Triangles met in Canton, Ohio, and formed the American Professional Football Conference, a forerunner of the NFL.1938: Yankees legend Lou Gehrig hit the 23rd and final grand slam of his career, a major league record that stood for decades.1945: Brooklyn Dodgers infielder Tommy Brown homered at 17 years, 257 days old, becoming the youngest player in major league history to hit a home run.1961: The Philadelphia Phillies defeated the Milwaukee Braves 7-4 in the second game of a doubleheader, ending a modern major league-record 23-game losing streak.1974: California Angels pitcher Nolan Ryan struck out 19 Detroit Tigers over 11 innings, recording his third 19-strikeout performance of the season, but lost 1-0.1985: New York Mets phenom Dwight Gooden struck out 16 batters, became the first National League pitcher to record 200 strikeouts in each of his first two seasons, and extended his winning streak to 13 games.1989: Chicago Cubs rookie Jerome Walton extended his hitting streak to 30 games with an infield single against the Houston Astros.1991: Dan Marino signed a five-year, $25 million contract extension with the Miami Dolphins, making him the highest-paid player in NFL history at the time.1995: Australias Karrie Webb won the Womens British Open by six strokes for the first of her 41 professional titles.2000: Tiger Woods defeated Bob May in a three-hole playoff at Valhalla to win the PGA Championship, becoming the first golfer since Ben Hogan in 1953 to capture three major championships in one season.2004: Michael Phelps captured Olympic gold in the 100-meter butterfly at Athens, setting an Olympic record of 51.25 seconds.2006: Tiger Woods won the PGA Championship at Medinah, earning his third PGA title and 12th career major championship.2008: Jamaicas Usain Bolt won the Olympic 200 meters in 19.30 seconds in Beijing, breaking Michael Johnsons 12-year-old world record and completing a world-record sweep of the 100 and 200.2016: South Koreas Inbee Park won the first Olympic womens golf competition in 116 years, capturing gold by five strokes at the Rio Games.2016: Mo Farah won the Olympic 5,000 meters to complete a second consecutive 5,000-10,000 double, becoming the second man to accomplish the feat.2016: Neymar converted the decisive penalty as Brazil defeated Germany 5-4 in a shootout after a 1-1 draw, giving Brazil its first Olympic mens soccer gold medal.2023: Spain defeated England 1-0 in Sydney on Olga Carmonas goal to win its first FIFA Womens World Cup championship. USA TODAY NetworkThis story was created with the assistance of artificial intelligence (AI). Journalists were involved in every step of information gathering, review, editing and publishing. Learn more atcm.usatoday.com/ethical-conduct.This article originally appeared on USA TODAY Sports: Today in sports history, August 20