Event:
In an effort to address the flood of unaccompanied immigrant children crossing the Texas border, Governor Rick Perry sends 1,000 National Guard troops to provide border security
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
