The official flag of the Islamic State is called the rayah (الراية). It is a black rectangular flag with the words لَا إِلٰهَ إِلَّا ٱلله مُحَمَّدٌ رَسُولُ ٱلله written on it in white. A full explanation of the ijtihad behind this is below. Historically, flags were mainly used in warfare to identify the different armies on the battlefield. In … Continue reading What is the official flag of the Caliphate?