Event:
The U.S. Food and Drug Administration approves of Truvada, the first drug shown to reduce the risk of HIV infection
More Notable Events on July 16:
1994 Comet Shoemaker-Levy collides with Jupiter
1980 Ronald Reagan nominated for President by Republicans in Detroit
1926 National Geographic takes 1st natural-color undersea photos
1920 China joins the League of Nations
1790 Congress establishes District of Columbia
