Answer: xvi

AnswerCrossword Clue
XVI

A sweet age in Rome

XVI

IV squared

XVI

Sweet age for a Roman?

XVI
II to the IVth power
XVI
Benedict who resigned as pontiff
XVISquare in old Rome?
XVI16 in old Rome
XVINumber of Louis in the French Revolution
XVIIV x IV
XVICaesar's 16
XVI"Sweet" Roman numeral?
XVI1982 Super Bowl number
XVILouis .., eponym of the Kentucky city
XVILouis who married Marie Antoinette
XVILouis ..., King of France, 1774-93.
XVISixteen.
XVIYear in reign of Tiberius
XVISweet age, to Sulla
XVIA sweet age for Calpurnia
XVITwice VIII
XVICato's sweet age?
XVIAge at which to get a chariot license?
XVILouis who was guillotined
XVILast Pope Gregory
XVI"Sweet" age in ancient Rome?
XVIBenedict ... (pope beginning in 2005)
XVISweet age for Caesar?
XVISweet age in old Roma?
XVISweet age in old Roma
XVIAmendment that authorized income taxes
XVIThe most recent Pope Benedict