Historical clue formulations

• Band with the 12x platinum album "Slippery When Wet" — 2018-05-08
• "Blaze of Glory" band, 1990 — 2017-01-28
• Band with the 1988 7x platinum album "New Jersey" — 2015-11-07
• Band with the 1994 platinum record "Always" — 2011-06-16
• "Livin' on a Prayer" band — 2011-04-03
• First hard rock band to score a #1 country hit — 2009-12-18
• "Bad Medicine" band — 2002-04-27