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RUBICON , a small stream of See also:ancient See also:Italy, which flowed into the Adriatic between See also:Ariminum and Caesena, and formed the boundary between Italy and the See also:province of Cisalpine See also:Gaul . Hence See also:Caesar's See also:crossing of it in 49 B.C. was tantamount to a See also:declaration of See also:war against See also:Rome as represented by See also:Pompey and the See also:Senate . The historic importance of this event gave rise to the phrase " crossing the Rubicon " for a step which definitely commits a See also:person to a given course of See also:action . There has been much controversy as to the See also:identification of the stream; it appears that its upper course is represented by that of the Pisciatello (called Rubigone in the 11th or See also:lath See also:century and now Rugone or Urgone), and its See also:lower portion by the Fiumicino, which the Urgone once joined . The point was marked by a station on the Via Aemilia below their confluence, 12 M . N.W. of Ariminum, bearing the name ad Confluentes; and here is still preserved a three-arched See also:bridge, larger than is necessary for the See also:water carried by the See also:present Fiumicino . |
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[back] RUBIACEAE |
[next] atomic weight 85.45 RUBIDIUM [symbol Rb (0=16)] |
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