Swiss psychiatrist and psychoanalyst who founded analytical psychology. His work on the collective unconscious, archetypes, and personality types has had a profound influence on psychology, philosophy, literature, and popular culture.
The Bureau of Investigation, the predecessor to the Federal Bureau of Investigation (FBI), is established by the U.S. Attorney General. It was initially created to investigate prostitution, bankruptcy fraud, and land fraud.
President Harry S. Truman signs the National Security Act of 1947 into law. The act reorganized the U.S. armed forces and established the Central Intelligence Agency (CIA) as the nation's primary civilian intelligence service.