January 7
1911
First airplane bombing experiments with explosives, San Francisco.
1953
President Harry S. Truman announced in his State of the Union address that the United States had developed a hydrogen bomb.
1955Marian Anderson debuts at the Metropolitan Opera, becoming the first African American to perform at America’s most prestigious opera house.
1971
Federal courts forbid most uses of the pesticide DDT, nine years after the publication of Rachel Carson‘s Silent Spring, a book which cautioned about the dangers of abusing the environment.
DDT being sprayed next to livestock
RachelCarson
Deanna Dee-Dee Taylor 