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The following events in the history of psychology took place in 1973.
- The journal, Behaviorism, Behavior and Philosophy, (now Behavior and Philosophy), was founded. 
- After intense debate, the American Psychiatric Association removes homosexuality from the Diagnostic and Statistical Manual of Mental Disorders.
- US 1973 Rehabilitation Act passed
1968 - 1969 - 1970 - 1971 - 1972 - 1973 - 1974 - 1975 - 1976 - 1977 - 1978