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.
7. Get help from a doctor now âº. Multiple personality: MPD, now called dissociative identity disorder is characterized by two or more distinct identity states known as alters in addition to the patient him/her self.ultiple personality disorder is also known as Dissociative Identity Disorder. Multiple personality disorder, which is now known as dissociative identity disorder, is a mental disorder characterized by at least two distinct split personalities. It is usually an effect of severe trauma during early childhood.