Historical clue formulations

• Queue before Q — 2014-10-05
• Queue before Q — 2013-04-01
• Start of the second half? — 2010-07-03
• Alphabet trio — 2009-08-27
• Alphabet trio — 2009-01-25
• Queue before Q — 2008-10-12
• Letter run — 2007-10-19
• Alphabet trio — 2007-02-10
• Alphabet trio — 2005-02-04
• Queue before Q — 2004-10-19
• Letter lineup — 2004-07-16
• Alphabet trio — 2002-10-13
• Alphabet trio — 1999-09-10