Aug. 18
1923 — Helen Mills, 17, ends Molla Bjurstedt Mallory's domination of the U.S. Lawn Tennis Association championships and starts her own with a 6-2, 6-1 victory.
1957 — Floyd Patterson knocks out Roy Harris in the 13th round at Wrigley Field in Los Angeles to retain his world heavyweight title.
1994 — South Africa is introduced for the first time in 36 years during the opening ceremonies of the 15th Commonwealth Games held in Victoria, British Columbia. South Africa had been banned from the Games since 1958 because of its apartheid policies.
1995 — Thirteen-year-old Dominque Moceanu becomes the youngest to win the National Gymnastics Championships senior women's all-around title in New Orleans.
2000 — Tiger Woods ties the 36-hole scoring record in the PGA Championship with a 5-under 67 to take a one-stroke lead over unheralded Scott Dunlap. Woods, at 11-under 133, ties the mark for relation to par last set by Mark O'Meara and Ernie Els in 1995.