1884—Isaac Murphy, a black jockey, wins the Kentucky Derby aboard Buchanan. He will win the showcase race two more times.
1999—The New York Knicks become the second eighth-seeded team in NBA playoff history to defeat a No. 1 seed in the playoffs when they beat the Miami Heat.
2010—American sprinter Tyson Gay breaks a 44-year-old record for 200 meters run on a straight track at the Great City Games in Manchester, England. Gay finishes in 19.41 seconds into a slight headwind on a specially constructed track, shaving 0.09 off the mark Tommie Smith set in May 1966 at San Jose, Calif.