1870 — Monmouth Park opens with a five-day race meet.
1930 — Uruguay beats Argentina 4-2 for soccer's first World Cup in Montevideo.
1932 — The 10th modern Olympic Games open in Los Angeles.
1961 — Jerry Barber edges Don January by one stroke in a playoff to win the PGA title.
1968 — Washington's Ron Hansen pulls off an unassisted triple play in a 10-1 loss to the Cleveland Indians.
1971 — In the NFL Chicago All Star game, the Baltimore Colts beat the All-Stars 24-17.
1976 — Bruce Jenner sets the world record in the Olympic decathlon with 8,618 points, breaking Nikolai Avilov's mark by 164 points.
1980 — Houston pitcher J.R. Richard has a stroke during a workout at the Astrodome.
1984 — Michael Gross of West Germany sets a world record in the 200-meter freestyle with a time of 1:47.44 at a meet in Munich.
1996 — The American softball team wins the gold medal at the Atlanta Games, beating China 3-1 behind a controversial two-run homer from Dot Richardson in the first Olympic competition in that sport.
2004 — At the London Grand Prix meet, Russia's Yelena Isinbayeva breaks the pole vault world record for the third time in five weeks, clearing 16 feet, ¾ inch at Crystal Palace.
2009 — Seven more world records on the fifth night of the world swimming championships in Rome are set, pushing the total to 29 and moving past last summer's Beijing Olympics. Ryan Lochte gets things rolling by breaking Phelps' mark in the 200-meter individual medley. The Chinese women finish it off, eclipsing the 800 freestyle relay mark by more than two seconds, with the Americans also breaking the previous record but only getting silver.
2010 — The NFL's No. 1 overall draft pick Sam Bradford agrees to a six-year, $78 million contract with the St. Louis Rams, with $50 million in guaranteed money. The guaranteed money is the highest ever in the NFL.
2012 — In London, Missy Franklin, a 17-year-old from Colorado, wins the women's 100-meter backstroke. Franklin has a brief 13-minute break after taking the final qualifying spot in the 200 freestyle semifinals before she had to get back into the water for the backstroke final. Fifteen-year-old Ruta Meilutyte becomes the first Lithuanian to win an Olympic swimming medal by holding off a late charge from world champion Rebecca Soni of the United States in the 100 breaststroke.
2013 — Katie Ledecky crushes the world record in the 1,500 freestyle for her second gold medal at the world swimming championships in Barcelona, Spain. The 16-year-old American finishes with a time of 15:36.53 to beat the previous mark by more than 6 seconds — Kate Ziegler's 15:42.54 in 2007.