1851 — The United States wins the first international yacht race. The schooner named "America" beats 14 British yachts.
1950 — Althea Gibson becomes the first black tennis player to be accepted in competition for the national championship.
1957 — Floyd Patterson knocks out Pete Rademacher in the sixth round to retain his world heavyweight title at Sicks Stadium in Seattle.
1961 — Roger Maris becomes the first player to hit his 50th homer in August. He connects off California's Ken McBride in a 4-3 loss to the Angels.
1965 — In the third inning of a game against Los Angeles, pitcher Juan Marichal of the San Francisco Giants hits catcher John Roseboro of the Dodgers in the head with his bat. A 14-minute brawl ensues and Roseboro suffers cuts on the head. Marichal thought Roseboro threw too close to his head when returning the ball to Sandy Koufax.
1984 — Evelyn Ashford sets the world record in the 100-meter dash with a clocking of 10.76 seconds in a meet at Zurich, Switzerland.
1987 — Brazil snaps the 34-game winning streak of the U.S. men's basketball team with a 120-115 victory in the Pan Am Games. Oscar Schmidt scores 46 points to lead Brazil. Cuba wins a record 10 of 12 gold medals in boxing and beats the U.S. 13-9 in the baseball final.
1989 — Nolan Ryan of the Texas Rangers becomes the first pitcher to strike out 5,000 batters in a 2-0 loss to the Oakland Athletics. Ryan fans Rickey Henderson swinging on a 3-2, 96 mph fastball for No. 5,000.
1993 — The United States sets the world record in the 1,600 relay at the World Track and Field championships. Andrew Valmon, Quincy Watts, Butch Reynolds, and Michael Johnson finish in 2:54.29. Johnson has the fastest anchor leg in history at 42.97.
1999 — Mark McGwire is the first player to hit 50 homers in each of four consecutive seasons, hitting Nos. 49 and 50 in the first game of a doubleheader against the New York Mets.
1999 — Jenny Thompson breaks Mary T. Meagher's 18-year-old 100-meter butterfly record at the Pan Pacific swim championships. Thompson with a time of 57.88 seconds lowers the mark of 57.93 set by Meagher.
2005 — Maria Sharapova is the 15th player and the first Russian to be No. 1 since the WTA tour began its computer rankings in 1975. At 18, she's the fifth youngest to hold the top spot, following Martina Hingis, Monica Seles, Tracy Austin and Steffi Graf.
2006 — Sprinter Justin Gatlin receives an eight-year ban from track and field, avoiding a lifetime penalty in exchange for his cooperation with doping authorities and because an earlier positive drug test was deemed an honest mistake. He forfeits the world record he tied in May, when he ran the 100 meters in 9.77 seconds.
2007 — The Texas Rangers becomes the first team in 110 years to score 30 runs in a game, setting an American League record in a 30-3 rout of the Baltimore Orioles in the first game of a doubleheader.
2008 — Usain Bolt helps Jamaica win the 400-meter relay final in 37.10 seconds for his third gold medal and third world record of the Beijing Games. Bolt becomes only the fourth man, and the first since Carl Lewis in 1984, to win all three Olympic sprint events. Bryan Clay wins the decathlon, the first American to win the 10-discipline event at the Olympics since Dan O'Brien at Atlanta in 1996.
2010 — David Rudisha of Kenya breaks the 13-year-old 800-meter world record with a 1:41.09 time at a meet in Berlin. Three-time world champion Wilson Kipketer of Denmark set the previous mark of 1:41.11 in August 1997 in Cologne, Germany.
2010 — Arjun Atwal captures the Wyndham Championship in Greensboro, N.C., by one stroke to become India's first PGA Tour winner. He is the first Monday qualifier to win on the tour in 24 years.