Historical clue formulations

• Bombs — 2017-12-30
• Gets an F — 2017-07-03
• Holds back a grade — 2015-04-01
• Has to repeat, maybe — 2011-10-15
• Goes under — 2007-10-05
• Bombs — 2005-10-21
• Goes belly-up — 2005-03-23
• Goes on the fritz — 2003-12-16
• Misses the boat — 1996-02-11
• Goes belly up — 1995-02-12