Historical clue formulations

• Pia ___ (brain covering) — 2026-07-19
• Venus, to Cupid — 2021-08-14
• Dura ___ (brain membrane) — 2016-06-26
• Livia, to Tiberius — 2009-03-11
• Agrippina, to Nero — 2006-06-09
• Alma ___ — 2002-03-19
• Alma ___ — 2000-04-10
• Alma ___ — 1999-04-13
• "___ et Magistra" (John XXIII encyclical) — 1998-05-15
• _____et Magistra (1961 encyclical) — 1993-12-28