Bill Federer

Bill Federer is an American historian and author who has written extensively on American history, religion in American public life, and the historical expansion of Islam. His books include "America's God and Country Encyclopedia of Quotations" and works documenting Islam's historical expansion into Europe, the Middle East, and Africa. He is a credible source specifically on the documented history of Islamic conquest, the historical context of the Crusades, and the religious dimensions of American founding history. His work cites primary sources and historical records directly.