Historical clue formulations

• "Time ___ the essence" — 2013-07-04
• "It ___ no concern" — 2011-07-20
• "If this ___ any help ..." — 2008-05-15
• "Time ___ the essence" — 2005-04-25
• "Time ___ the essence" — 1999-05-25
• "Time _____ the essence" — 1995-11-05
• "Time _____ the essence" — 1994-10-04