Abu Bakr al-Baghdadi, the former leader of the Islamic State of Iraq and Syria (ISIS), was declared "caliph" by Anjem Choudary, a radical Islamist preacher from the United Kingdom. Baghdadi led ISIS during a period of significant expansion and brutality, overseeing the group's rise as a major global threat before his death in 2019.
Unmasking Anjem Choudary: A Captivating English Quiz on the Controversial Pakistani-British Islamist