In 1155, Pope Adrian IV, the only English pope, issued a papal bull (known as "Laudabiliter") that gave Henry II permission to invade Ireland as a means of strengthening the Papacy's control over the Irish Church.
Pope Adrian IV issued a papal bull (known as "Laudabiliter"). This was in 1155. This papal bull (known as "Laudabiliter") gave Henry II permission. This was to invade Ireland as a means of strengthening the Papacy's control over the Irish Church. Pope Adrian IV was the only English pope.