Pope St. Damasus I December 11 and Anti Pope Felix II Dec15 by Joseph Saraceno Saint Damasus I, (born c. 304, Rome—died Dec. 11, 384, Rome; feast day December 11), pope from Oct. 1, 366, to Dec. 11, 384. During his rule the primacy of the Roman see was asserted. MORE Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related