Historical clue formulations

• Grandparents, often — 2016-03-26
• Grandparents, typically — 2011-06-26
• Grandparents, often — 2006-07-23
• Grandparents, typically — 2005-12-16
• T.L.C. givers — 2002-05-17
• Ones who care — 2001-09-11
• Motherly sorts — 2001-06-18
• Parents, often — 2000-08-24
• Grandparents, traditionally — 1999-02-14