Historical clue formulations

• ___-o — 2022-11-08
• Papa — 2021-05-03
• Papa — 2019-10-01
• Pops — 2014-05-25
• Pops — 2013-05-19
• Pops — 2013-04-05
• Pops — 2007-05-10
• Papa — 2002-12-10
• Pops — 2000-10-17
• Daughter's cry? — 2000-06-06
• Whom "my heart belongs to" — 2000-05-01
• 1941 #1 Sammy Kaye hit — 1999-01-31
• Pop — 1998-03-19
• To whom "my heart belongs" — 1997-01-15