The tribunitian authority was again conferred upon him for five years,A.U.C. 575 and a commission given him to settle the affairs of Germany. The ambassadors of the Parthians, after having had an audience of Augustus, were ordered to apply to him likewise in his province. But on receiving intelligence of an insurrection in Illyricum,A.U.C. 760 he went over to superintend the management of that new war, which proved the most serious of all the foreign wars since the Carthaginian. This he conducted during three years, with fifteen legions and an equal number of auxiliary forces, under great difficulties, and an extreme scarcity of corn. And though he was several times recalled, he nevertheless persisted; fearing lest an enemy so powerful, and so near, should fall upon the army in their retreat. This resolution was attended with good success; for he at last reduced to complete subjection all Illyricum, lying between Italy and the kingdom of Noricum, Thrace, Macedonia, the river Danube, and the Adriatic gulf.

The glory he acquired by these successes received an increase from the conjuncture in which they happened. For almost about that very timeA.U.C. 762 Quintilius Varus was cut off with three legions in Germany; and it was generally believed that the victorious Germans would have joined the Pannonians, had not the war of Illyricum been previously concluded. A triumph, therefore, besides many other great honours, was decreed him. Some proposed that the surname of "Pannonicus," others that of "Invincible," and others, of "Pius," should be conferred on him; but Augustus interposed, engaging for him that he would be satisfied with that to which he would succeed at his death. He postponed his triumph, because the state was at that time under great affliction for the disaster of Varus and his army. Nevertheless, he entered the city in a triumphal robe, crowned with laurel, and mounting a tribunal in the Septa, sat with Augustus between the two consuls, whilst the senate gave their attendance standing; whence, after he had saluted the people, he was attended by them in procession to the several temples.

Next year he went again to Germany, where finding that the defeat of Varus was occasioned by the rashness and negligence of the commander, he thought proper to be guided in everything by the advice of a council of war; whereas, at other times, he used to follow the dictates of his own judgment, and considered himself alone as sufficiently qualified for the direction of affairs. He likewise used more cautions than usual. Having to pass the Rhine, he restricted the whole convoy within certain limits, and stationing himself on the bank of the river, would not suffer the waggons to cross the river, until he had searched them at the water-side, to see that they carried nothing but what was allowed or necessary. Beyond the Rhine, such was his way of living, that he took his meals sitting on the bare ground,Reviving the simple habits of the times of the republic; "nec fortuitum cernere cespitem," as Horace describes it.--Ode 15. and often passed the night without a tent; and his regular orders for the day, as well as those upon sudden emergencies, he gave in writing, with this injunction, that in case of any doubt as to the meaning of them, they should apply to him for satisfaction, even at any hour of the night.

He maintained the strictest discipline amongst the troops; reviving many old customs relative to punishing and degrading offenders; setting a mark of disgrace even upon the commander of a legion, for sending a few soldiers with one of his freedmen across the river for the purpose of hunting. Though it was his desire to leave as little as possible in the power of fortune or accident, yet he always engaged the enemy with more confidence when, in his night-watches, the lamp failed and went out of itself; trusting, as he said, in an omen which had never failed him and his ancestors in all their commands. But, in the midst of victory, he was very near being assassinated by some Bructerian, who mixing with those about him, and being discovered by his trepidation, was put to the torture, and confessed his intended crime.

After two years he returned from Germany to the city, and celebrated the triumph which he had deferred, attended by his lieutenants, for whom he had procured the honour of triumphal ornaments.A. U. C. 765. Before he turned to ascend the capitol, he alighted from his chariot, and knelt before his father, who sat by, to superintend the solemnity. Bato, the Pannonian chief, he sent to Ravenna, loaded with rich presents, in gratitude for his having suffered him and his army to retire from a position in which he had so enclosed them, that they were entirely at his mercy. He afterwards gave the people a dinner at a thousand tables, besides thirty sesterces to each man. He likewise dedicated the temple of Concord,The portico of the temple of Concord is still standing on the side of the forum nearest the capitol. It consists of six Ionic columns, each of one piece, and of a light-coloured granite, with bases and capitals of white marble, and two columns at the angles. The temple of Castor and Pollux has been mentioned before: JUL. c. X. and that of Castor and Pollux, which had been erected out of the spoils of the war, in his own and his brother's name.