The Nazi Party killed around 1,000 people, which became known as the “Night of Long Knives.”
Source
The first Chevrolet Corvette was manufactured in the US.
The first leap second was added to the UTC time system.
The United States Congress passed the Meat Inspection Act and Pure Food and Drug Act.
The US government passed the Indian Trade and Intercourse Act.
Robert H. Lawrence, Jr. was selected as the first African-American astronaut.