Historical clue formulations

• "___ yellow ribbon ..." — 2017-09-07
• How to ___ knot (Boy Scout's lesson) — 2009-10-01
• ___ knot — 2009-09-12
• "___ yellow ribbon ..." — 2008-04-08
• "___ yellow ribbon ..." — 2007-08-12
• "___ yellow ribbon..." — 2000-06-16
• "_____ yellow ribbon..." — 1995-04-16