Best Answer: St. Augustine (Florida) is the oldest continually occupied European settlement in the continental United States, only San Juan, Puerto Rico predates the city as the oldest settlement within the territory of the United States.
Finally in 1980 the American Psychiatric Association officially recognized multiple personality disorder as a genuine emotional illness. Today, MPD is a relatively popular diagnosis with 20,000 cases recorded between 1980 and 1990. Researchers currently believe that from 0.01-10% of the general population has this mental illness.
1 An early form of personality type theory was the Four Temperaments system of Galen, based on the four humours model of Hippocrates; an extended Five Temperaments system based on the classical theory was published in 1958. One study suggests that people with Type A personalities are more likely to develop personality disorders whereas Type B personalities are more likely to become alcoholics. 2  Developmental psychologist Jerome Kagan is a prominent advocate of type theory.