History means research on events that at a certain time have been taken into account, observed and kept in mind by researchers and has built a structure of the story about same events. Reality is greater than history and in terms of number exceeds it highly. This leads into identity generating. In this sense, identity is a criterion that historical event can be studied based on it. As we speak of identity as a process, indeed, we have spoke of the continuity of phenomenon having become historical in response to the questions of a people, group, ethno or nation about his past. With reviewing four historical works, writer has sought to study the factor of Iranian identity in historical reports of Qajar era.