Umar Ibn al-Khattab was a great caliph and father in law of prophet Muhammad s a w. He is also known as Al Farooq that means a person who can identify the right and wrong. He conquered Persia. He was considered as the best sahaba ever lived. He born and brought up in mecca. His… Continue reading Umar Ibn al- Khattab – A great Caliph the world ever seen