The current research aims at identifying: 1-The level of open-minded among students of the Department of History in the Faculty of Education of Humanities at Diyala University depending on the social variable (male - female). 2-The level of academic achievement among students of the Department of History at the Faculty of Education for Humanities at the University of Diyala according to gender variable (male - female). 3-The statistical indication of the correlation between open-minded and academic achievement among students of the Department of History in the Faculty of Education of Humanities of Diyala University depending on the gender variable (male - female). 4-The extent to which open-minded contributes to the academic achievement of students of the Department of History in the Faculty of Education of Humanities at Diyala University.