1910 – Race riots broke out all over the United States after African-American Jack Johnson knocked out Jim Jeffries in a heavyweight boxing match.
1919 – Jack Dempsey won the world heavyweight champion when he defeated Jess Willard.
1934 – Boxer Joe Louis won his first professional fight.
1939 – Lou Gehrig retired from major league baseball.
1980 – Nolan Ryan (Houston Astros) got his 3,000th career strikeout.
1980 – Martina Navratilova won her sixth straight Wimbledon singles championship and her eighth overall.
2003 – Kobe Bryant (Los Angeles Lakers) was arrested on suspicion of sexual assault after turning himself in to police. He was released after posting a $25,000 bond.