Historical clue formulations

• Like a newborn babe — 2022-09-07
• Naïf — 2017-10-05
• Pope who issued an annulment of the 19-Across — 2015-06-15
• Name of 13 popes — 2011-02-27
• Having clean hands — 2010-10-27
• Papal name last used in 1724 — 2009-08-14
• Like a lamb — 2002-05-21
• NAVE — 2000-07-15
• Greenhorn — 1994-04-15