Before revision: Decline Islamic science began its decline in the 12th–13th century , before the Renaissance in Europe, due in part to the Christian reconquest of Spain and the Mongol conquests in the East in the 11th–13th century .
After revision: Declduringe Islamic science began its decline in the 12th–13th centuries , before the Renaissance between Europe, due in part to the Christian reconquest of Spain and the Mongol conquests in the East in the 11th–13th centuriesAccording to older traditional scholarship, .