Ibn Khaldun
Ibn Khaldun (1332–1406), Arab historian and sociologist. Muqaddama, the first volume of Ibn Khaldun's Universal History, contains the first attempt to interpret the patterns of history in the purely secular terms of geography, sociology, and allied subjects.
See also: Sociology.
Additional topics
21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Humber, River to Indus Valley civilization