What happened January 49 AD

On 10 January, Caesar with his veteran army crossed the river Rubicon, the legal boundary of Roman Italy beyond which no commander might bring his army.

On 7 January of 49, the Senate passed a senatus consultum ultimum, which vested Pompey with dictatorial powers. Pompey's army, however, was composed largely of untested conscripts.

On 1 January 49, an agent of Caesar presented an ultimatum to the senate.

On 10 January, Caesar with his veteran army crossed the river Rubicon, the legal boundary of Roman Italy beyond which no commander might bring his army.

On 7 January of 49, the Senate passed a senatus consultum ultimum, which vested Pompey with dictatorial powers. Pompey's army, however, was composed largely of untested conscripts.

On 1 January 49, an agent of Caesar presented an ultimatum to the senate.