Possible Clues:

• Word before mirabilis or horribilis
• ___ horribilis (1992, per Queen Elizabeth)
• Year, in ancient Rome
• Year, in old Rome
• Dispersed in mass burial in 1666
• Latin for 'year'
• Good time girl, American one Blairism corrupted
• __ mirabilis: wonderful year
• ___ mirabilis
• CD, e.g.?