In the first half of the 15th century the war between Tver and Moscow for the dominance in Russia was won by Moscow. The main role in the rise of Moscow was played by Ivan I Kalita (1325 – 1340), who redeemed the yarlik of superior power from the Khan. It gave Moscow the chance to take the superior position in relation to other Russian cities.
Dmitry Donskoy (1359 – 1389), the grandson of Ivan Kalita, gathered a huge army and confronted Tatars led by Khan Mamai. The fierce battle took place the river Don on Kulikovo Field. Russians managed to defeat Mamai. After the battle Dmitry was nicknamed Donskoy. The Kulikovskaya Battle paved way for Russia’s rebirth.