Historical clue formulations

• Try to pull off, say — 2014-07-12
• Pull on — 2013-07-15
• Draw a little at a time? — 2011-02-05
• Pull on — 2007-01-10
• Gently pull on — 2006-12-04
• Pull on — 2006-04-27
• Pull on — 2001-06-15
• Pull on — 1995-12-31