Historical clue formulations

• Old dagger — 2022-11-15
• Old dagger — 2021-12-16
• Old dagger — 2021-10-12
• Snick and ___ — 2020-06-14
• Partner of snick — 2018-12-30
• Old-fashioned dagger — 2017-10-03
• Old blade — 2016-08-30
• Bygone dagger — 2016-07-11
• Bygone sticker — 2015-06-06
• Dagger of yore — 2015-02-20
• Old dagger — 2014-09-17
• Old Highlands dagger — 2014-05-04
• Weapon in "The Mikado" — 2014-02-22
• Knife of old — 2014-02-05
• 2012 Pro Bowl player Chris — 2014-01-25
• "The Mikado" weapon — 2013-12-06
• Three-time All-Pro guard Chris — 2013-10-12
• Snick and ___ — 2013-07-16
• "The Mikado" weapon — 2013-03-30
• Old dagger — 2012-12-10
• Old dagger — 2012-07-10
• Olden dagger — 2012-04-21
• N.F.L. All-Pro player Chris — 2012-04-20
• Old dagger — 2012-03-31
• Old dagger — 2012-02-03
• Weapon of old — 2011-12-03
• Old dagger — 2011-11-21
• Snick and ___ — 2011-07-10
• Sticker of the past — 2011-06-04
• Old blade — 2011-04-14
• Old dirk — 2010-11-27
• Dagger in "The Mikado" — 2010-08-04
• Snick and ___ — 2010-06-10
• Snick's partner — 2010-04-27
• Snick's partner — 2009-08-09
• Snick and ___ — 2009-02-02
• Ko-Ko's dagger in "The Mikado" — 2008-09-12
• Snick and ___ — 2008-09-01
• N.F.L. offensive guard Chris — 2008-06-14
• N.F.L. guard Chris — 2008-02-24
• Old dirk — 2008-02-03
• Old sticker — 2007-09-07
• Snick and ___ — 2007-02-25
• Old-fashioned knife — 2006-05-26
• Snick and ___ — 2006-01-18
• Dagger of old — 2005-09-20
• Snick-or-___ — 2005-09-13
• Dirk's old relative — 2005-06-25
• Snick's partner — 2005-06-22
• Dagger — 2005-05-28