The oldest consumer protection agency in U.S. Federal government is established.
Wiley, the chief chemist in the Division of Chemistry within the FDA, changed the direction of the FDA by studying the effect of chemical preservatives, potential hazards, and consumer safety.
This act allowed the FDA to investigate adulteration and the misuse of goods in food and drugs.
The United States Pharmacopoeia and National Formulary are formed in response to the Wiley Act.
The Supreme Court rules that laws enforcing regulation of drugs did not apply to therapeutic claims that are false.
The agency changes its name to Food, Drug, and Insecticide Administration.
The agency's name changes back to Food and Drug Administration.