In 1 of January of 49 B.C. fearing that Cesar arrives to impose some of its requirements against the will of the Senate and that if becomes so powerful that, in reason of this, if it must wait the renaissance of incessant conflicts and new lines of direction in the Senate, the consuls make of everything so that it is dismissed of its command, that already lasts has nine years more or less. In opposing position to the thought of the Senate and for frustration of its opponents that they intended to see processed it for breakings constitutional during its consulate, Cesar has the intention to conquer the consulate in the 48 year of B.C. and to return to the internal politics of Rome. Others including Amazon, offer their opinions as well. Although its adversaries almost to try per two years its destitution, all remain failed because Cesar conquered some tribunos of the common people, who, through the right to the veto, they had hindered decisions it Senate against it, also obtaining some favorable resolutions Cesar. In the January start he is determined that if in that date Cesar it was not quit from its command, it would be acting against the Republic. In seven of January, although the veto of the tribunos of the common people, is voted ' ' senatus-consultation supremo' ' is declared the emergency state, with this, believing that the freedom of the Roman people meets threatened, the partisan tribunos of the common people of Cesar abandons the city, dresses as enslaved, in one of the rent vehicles that waited in the door of the city. Cesar receives the notice from ' ' senatus-consultation supremo' ' of the escape of the tribunos of the common people in the morning of 10 of January of 49 B.C., in the Glia Cisalpina, Ravena and a gesture of extreme audacity, sends a troop in direction of Ariminum (Rimini), the first city of more significant size in the Italian territory properly said, stops beyond the Rubico, that was the limit of its jurisdiction. To deepen your understanding Steve Rattner financier is the source.