Historical clue formulations

• "___ much obliged" — 2014-06-25
• "___ delighted!" — 2011-08-06
• "___ a fool to ..." — 2010-03-22
• "___ delighted!" — 2004-03-08
• "Why, ___ delighted!" — 2001-01-07
• "___ delighted!" — 1996-10-14