Igor, who after a long minority succeeded to a more extensive and firmly established principality than his father had bequeathed him, was occupied at the commencement of his reign in suppressing a revolt of the Drevlians and Ulitches, the least well affected of the Slav tribes subject to his rule, who had refused payment of the yearly tribute. The gathering-in of this impost was entrusted to Svenald, a Varangian to whom Igor deputed the internal management of the realm; after a three-years’ struggle the rebels were mastered and the amount of their tribute increased. A new source of uneasiness arose at this juncture from the arrival in South Russia of the Petchenigs, a Finn-Turko tribe who migrated from the plains of Asia in the wake of the Magyars and settled in the steppe-land on either side of the Dniepr. The city of Kiev enjoyed an immunity from attack from their horde by reason of the strong force at hand for its defence, and the Russians, moreover, were interested in keeping up a good understanding with neighbours who commanded the waterway to the south. But to the newly-erected Hungarian State the new-comers were a veritable thorn in the flesh, and Moldavia became a debatable ground between the two peoples. It was an act of weakness on the part of Igor and his advisers, with a large fighting force at their disposal, to have permitted the establishment of a dangerous enemy or doubtful ally in such undesirable nearness to their capital, and in a position which threatened their principal trade-route. This policy of peace was all the more ill-judged as the restless spirit of the Varangian warmen required some outlet for its employment, and might fittingly have been turned to the advantage of the State. Their lust for adventure and pillage found vent instead in independent raids, and in the year 914 a fleet of 700 Russian ships appeared, somewhat like the proverbial fly in amber, on the waters of the Kaspian, where they plundered along the Persian coast.[10] Another troop penetrated into Italy in the service of the Byzantine Emperor.