Historical clue formulations

• "MMMBop" band — 2016-11-08
• "MMMBop" band — 2014-05-20
• Boy band with the hit "MMMBop" — 2012-04-18
• Group with the 1997 #1 hit "MMMBop" — 2003-03-09
• Pop group with the 1997 hit "MMMBop" — 2000-01-10
• "Merry Mount" composer — 1997-01-11
• John _____, president of the Continental Congress — 1995-03-19