Answer: rubicon

AnswerCrossword Clue
RUBICON

River notably crossed by Caesar

RUBICON

Historic crossing of 49 B.C.

RUBICON

Name of Fiumicino.

RUBICON
Old name of Flumicino River in Italy.
RUBICON
Caesar crossed it.
RUBICONCaesar crossed this river.
RUBICONRiver of decision.
RUBICONCaesar's river of decision.
RUBICONItalian river.
RUBICONScene of 49 B.C. crossing.
RUBICONRiver of decision
RUBICONGaul-Italy separator
RUBICONLimiting line
RUBICONFateful crossing point
RUBICON-
RUBICONCaesar crossed it
RUBICONItalian river