Ibn Khaldun was a statesman, diplomat, scholar and judge. His masterpiece Muqaddimah bears testimony to his skills in some other fields like economy and poetry too. As an intellectual of his time, he was naturally interested in philosophy as well. He had an education in philosophy and had a considerable knowledge in both Greek and Islamic philosophy. In fact, he is considered a philosopher of history and even the first one. This article will display an aspect of Ibn Khaldun's interest and relation to philosophy. It will discuss his conception of causation and analyze how it works in his history.