Event:
1st outbreak of "Legionnaire's Disease" kills 29 in Philadelphia
More Notable Events on July 21:
1990 Goodwill Games opens in Seattle, Washington
1989 Greg LeMond wins Tour de France in fastest time
1984 1st documented case of a robot killing a human in U.S.
1969 Neil Armstrong steps on Moon at 2:56:15 AM, GMT
1930 U.S. Veterans Administration forms
