A significant number of senators opposed any concessions to Caesar, but many also mistrusted Pompey, who has been criticised for "weak and ineffectual leadership" in this period. On 1 January 49 BC, Caesar sent an ultimatum demanding acceptance of his compromise, failing which he would march on Rome "to avenge his country's wrongs". Confident their forces significantly outnumbered those available to Caesar, on 7 January the Senate declared him a public enemy; four days later, he crossed the Rubicon into Italy.
A significant number of senators opposed any concessions to Caesar, b,ut many also mistrusted Pompey, who has been criticised for "weak and ineffectual leadership" in this period. On 1 January 49 BC, Caesar sent an ultimatum demanding acceptance of his compromise, failing which he would march on Rome "to avenge his country's wrongs". Confident their forces significantly outnumbered those available to Caesar, on 7 January the Senate declared him a public enemy; four days later he crossed the Rubicon into Italy.