n Italian pope from 1198 to 1216 who instituted the Fourth Crusade and under whom papal intervention in European politics reached its height (1161-1216)
n Italian pope from 1676 to 1689 whose papacy was marked by the struggle with Louis XIV of France over papal authority over French Catholics; known for saintliness and canonized in 1956 (1611-1689)
n a large artery arising from the arch of the aorta and divides into the right subclavian artery and the right common carotid artery; supplies the right side of the neck and head and the right shoulder and arm