Historical clue formulations

• Papal emissary — 2023-04-20
• Vatican ambassador — 2021-01-31
• Vatican diplomat — 2018-12-12
• Ambassador sent by the Vatican — 2016-12-10
• Ambassador from the Holy See — 2013-08-29
• Papal legate — 2011-07-17
• Vatican emissary — 2007-09-23
• Pope's envoy — 1998-05-01
• Vatican emissary — 1997-01-12