Answer: xli

AnswerCrossword Clue
XLIYear that Caligula died
XLISuper Bowl held in 2007
XLI41, to Cato
XLIYear Caligula was assassinated
XLIYear Claudius I became emperor
XLISuper Bowl played at Dolphin Stadium
XLIForty-one.
XLI41.
XLISuper Bowl of 2007
XLIYear of Caligula's assassination
XLIStart of Claudius' reign
XLIL minus IX
XLIFirst year of Claudius' reign
XLI41, to Nero
XLISuper Bowl played in MMVII
XLILast year of Caligula's reign
XLIFirst year of Claudius's reign