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.
Sybil is one of the most popularly known individuals who had multiple personality disorder, largely because of a book published in the 1970s that detailed her experience and that of her psychiatrist in trying to help treat her.PR has the story, and describes how Shirley Mason â Sybilâs real name â came to have multiple personality disorder: Shirley Mason, the real Sybil, grew up in the Midwest in a strict Seventh-day Adventist family. As a young woman she was emotionally unstable, and she decided to seek psychiatric help.