Historical clue formulations

• Carry out — 2017-03-23
• Carry out — 2013-06-26
• Pull off — 2012-05-17
• Carry out — 2010-10-17
• Carry out, as an assignment — 2007-08-06
• Pull off — 2005-07-17
• Hang, maybe — 2000-01-15
• Behead, maybe — 1996-01-31