They used equally armed force and bribes to various Khans and as a result, in 1365, forced the princes of Nizhny Novgorod to finally give up claims to the Grand Duchy of Vladimir.
The campaigns of the Lithuanian army also ended in failure and so the jarliq returned to Dmitry.
According to the results of the truce with Lithuania in 1372, the Grand Duchy of Vladimir was now recognized as the hereditary possession of the Moscow Princes.
Prince of Tver Mikhail used the help of Lithuania, and in addition, in 1371 Mamai gave him a jarliq to the Grand Duchy of Vladimir.
But the Moscow troops simply did not let the new "Grand Prince" enter to Vladimir, despite the presence of the Tatar ambassador.
It is believed that the illegitimacy of the puppet khans of Mamai was by that time too obvious, and he demanded more and more money, as he lost the war for the throne of the Golden Horde.
In the following years the Tatars raided Dmitry's allies and the Moscow troops made campaign against Tatars over the Oka River in 1376 and seized the city Bolghar in 1377.Grand Duchy of Moscow and Vladimir Principality of Beloozero Principality of Yaroslavl Principality of Rostov Principality of Starodub Principality of Mologa Principality of Kashin Princes from Vyazma and Dorogobuzh Part of Upper Oka Principalities Princes of Lithuania in exile: Polotsk and Bryansk) was fought between the armies of the Golden Horde under the command of Mamai, and various Russian principalities under the united command of Prince Dmitry of Moscow.The battle took place on 8 September 1380, at the Kulikovo Field near the Don River (now Tula Oblast, Russia) and was won by Dmitry, who became known as Donskoy, 'of the Don' after the battle.It competed with Moscow for supremacy over Tver and in 1368-1372 made three campaigns against Moscow.After the death of Algirdas in 1377, his eldest sons Andrei of Polotsk and Dmitri of Bryansk began to struggle with their step-brother Jogaila for their legitimate right to the throne and entered into an alliance with the Grand Prince of Moscow.In 1375 the Prince of Tver once again received a jarliq for the Grand Duchy from Mamai.