Multiple Personality Day

 

                                                                     March 5, 2026 

                                                                              USA 

                                          National Hospitalist Day/ Multiple Personality Day 

 

 

 

Multiple Personality Day (USA) 

 

 

 

 

Dissociative Identity Disorder

 

It was formerly known as Multiple Personality Disorder

 

 The first widely recognized case was reported in 1815 

 

 Mary Reynolds in the United States. 

 

 

 

American Psychiatric Association. 

 

 

 

 In 1980, Multiple Personality Disorder was officially included in the Diagnostic and Statistical Manual of Mental Disorders, Third Edition (DSM-III)  

In 1994, the name was changed to Dissociative Identity Disorder in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) to emphasize identity fragmentation rather than multiple fully formed personalities 

 

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