Historical clue formulations

• Leo XIV, for one — 2026-06-01
• Leader with a Swiss Guard detail — 2025-11-10
• Leader of the world's smallest country — 2025-06-01
• Poet who wrote "To err is human; to forgive, divine" — 2025-03-15
• Major in mass communication? — 2024-08-20
• Leader of the world's smallest nation ("An Essay on Man") — 2023-04-19
• Title for Paul, Gregory or Francis — 2022-12-20
• "Is the ___ Catholic?" — 2022-01-31
• Peter or Paul, but not Mary — 2021-01-20
• Head of the Holy See — 2020-09-28
• One whose job prospects go up in smoke? — 2020-05-10
• One of seven in 14th-century Avignon — 2020-03-07
• User of the Twitter handle @Pontifex — 2019-08-04
• Innocent, perhaps — 2019-04-06
• Alexander who wrote "The Dunciad" — 2018-10-03
• Vatican V.I.P. — 2018-05-09
• Word before or after Alexander — 2017-01-19
• Vicar of Christ, more familiarly — 2015-11-13
• John or Paul, but not Ringo — 2015-09-16
• Historic resignee of 2013 — 2014-05-14
• World leader with an eponymous "mobile" — 2014-02-26
• St. Peter was the first — 2013-10-01
• Francis, for one — 2013-05-02
• Source of the line "Hope springs eternal ..." — 2013-03-01
• One of five Nicholases — 2012-12-16
• John, Paul or John Paul — 2012-10-02
• "Pastorals" poet — 2011-10-02
• Writer who popularized the saying "To err is human, to forgive divine" — 2011-03-24
• Venerated visitor — 2010-08-20
• Wearer of a triple tiara — 2009-08-26
• The Swiss Guards guard him — 2009-01-29
• Poet who wrote "Hope springs eternal in the human breast" — 2009-01-16
• Bishop of Rome — 2008-11-18
• Successor of St. Peter — 2008-09-10
• Ring of the Fisherman wearer — 2008-04-17
• Wearer of a famous ring — 2005-01-09
• Bishop of Rome — 2004-12-07
• Castel Gandolfo resident — 2004-10-23
• Tiara wearer — 2003-07-11
• St. Peter was the first — 2002-10-24
• "Fools rush in where angels fear to tread" writer — 2002-05-31
• It can precede or follow Alexander — 2001-09-11
• The Swiss Guards guard him — 2001-04-11
• "An Essay on Criticism" writer — 2001-02-22
• Swift contemporary — 2000-08-27
• Bishop of Rome — 2000-08-17
• John or Paul but not George or Ringo — 2000-04-02
• John Paul II, e.g. — 1999-08-31
• "The Dunciad" poet — 1999-08-29
• Bishop of Rome — 1999-08-23