Rubuta ci gaba ga wannan sakin layi - A cikin yaƙe-yaƙe biyu a jere a cikin 1378 (Yaƙin Kogin Vozha
) da 1380 (Battle of Kulikovo) Mamai ya ci nasara sosai kuma Dmitry Ivanovich Donskoy ya ƙarfafa matsayinsa a matsayin Babban Yarima na Vladimir.