Today in sports history: Serena Williams completes 'Golden Slam' with Olympic gold in London
Here's a look back at sports happenings on this date in history, Aug. 4:
1945: Byron Nelson wins 11th consecutive PGA Tour event

1945 — Byron Nelson wins his 11th consecutive PGA Tour event, beating Herman Barron by four strokes. Nelson finishes the year with a record for most tournament wins (18) in a season.
In this July 9, 1945 file photo Byron Nelson, right, has his caddie, George Gould, kiss his putter for good luck before he teed off in the 27th PGA Championship at Dayton, Ohio.
1984: Carl Lewis wins gold in 100-meter dash

1984 — Carl Lewis wins the 100-meter dash in 9.99 seconds at the Los Angeles Summer Games. US teammate Sam Graddy wins the silver in 10.19 and Canada’s Ben Johnson gets the bronze with a time of 10.22.
Carl Lewis of Houston, Texas, runs a victory lap after winning the gold medal in the men's 100-meter dash at Memorial Stadium during the XXIII Summer Olympic Games in Los Angeles, Ca., on Aug. 4, 1984. (AP Photo)
1985: Tom Seaver becomes 17th major league pitcher to win 300 games

1985 — Tom Seaver, 40, becomes the 17th 300-game winner in major league history with a six-hitter — all singles — as the Chicago White Sox beat the New York Yankees 4-1.
Chicago White Sox pitcher Tom Seaver whips through a pitch on his way to his 300th win in New York Sunday, August 4, 1985. Seaver had a 4-1 win over the New York Yankees. (AP Photo/Forrest Anderson)
1985: Rod Carew records his 3,000th career hit

1985 — Rod Carew of the California Angels gets his 3,000th hit in a 6-5 win over the Minnesota Twins, his first major league team.
Angel Rod Carew hits his 2997th career base hit during the first inning at Anaheim Stadium in California, Aug. 3, 1985. (AP Photo/Rod Boren)
2007: Alex Rodriguez becomes youngest player to hit 500 home runs

2007 — Alex Rodriguez of the New York Yankees becomes the youngest player in major league history to hit 500 home runs with a first-inning homer in a 16-8 victory over Kansas City. Rodriguez’ homer came eight days after the slugger celebrated his 32nd birthday, eclipsing Jimmie Foxx (32 years, 338 days).
New York Yankees' Alex Rodriguez (13) runs the bases after hitting a home run during the first inning of baseball action against the Kansas City Royals for his 500th homer Saturday, Aug. 4, 2007 at Yankee stadium in New York. (AP Photo/Frank Franklin II)
2012: Michael Phelps leaves London Games as most decorated Olympian in history

2012 — Michael Phelps wins another gold as the United States wins the medley relay at the London Olympics. Phelps leaves the sport with a record 18 golds and 22 medals overall. At these games he wins four golds and two silvers.
In this Saturday, Aug. 4, 2012 file photo, United States' swimmer Michael Phelps holds up a silver trophy after being honored as the most decorated Olympian at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London. Phelps was honored with a special individual ceremony after concluding his record-breaking career as the most decorated Olympian. (AP Photo/Lee Jin-man, File)
2012: Serena Williams joins Steffi Graf as only winners of Golden Slam

2012 — Serena Williams beats Maria Sharapova 6-0, 6-1 to join Steffi Graf as the only women to complete the Golden Slam — winning the Olympics and the four majors. In a men’s semifinal match, Roger Federer outlasts Juan Martin del Potro in a 19-17 final set and clinches his first Olympic singles medal. Canadian equestrian Ian Millar rides into Olympic history by competing in his 10th games — the most of any athlete.
United States' Serena Williams celebrates after defeating Maria Sharapova of Russia to win the women's singles gold medal match at the All England Lawn Tennis Club at Wimbledon, in London, at the 2012 Summer Olympics, Saturday, Aug. 4, 2012. (AP Photo/Victor R. Caivano)
2013: Missy Franklin wins record sixth gold at world championships

2013 — Missy Franklin claims her record sixth gold medal on the final day of the world championships in Barcelona, becoming the most successful female swimmer ever at a world meet. Franklin eclipses the record shared by Tracy Caulkins — who won five times in 1978 — and Libby Trickett, who did it in 2007.
United States Women's 4x100m medley relay team members Missy Franklin, and Megan Romano embrace after winning the gold medal at the FINA Swimming World Championships in Barcelona, Spain, Sunday, Aug. 4, 2013. (AP Photo/Manu Fernandez)