National trauma is a concept in psychology and social psychology. A national trauma is one in which the effects of a trauma apply generally to the members of a collective group such as a country or other well-defined group of people. Trauma is an injury that has the potential to severely negatively affect an individual, whether physically or psychologically. Psychological trauma is a shattering of the fundamental assumptions that a person has about themselves and the world. An adverse experience that is unexpected, painful, extraordinary, and shocking results in interruptions in ongoing processes or relationships and may also create maladaptive responses. Such experiences can affect not only an individual but can also be collectively experienced by an entire group of people. Tragic experie