Analysis of information sources in references of the Wikipedia article "Edigu" in English language version.
In 1408, Khan Bulat Timer sent Emir Edigu to Russia. The emir informed Vasily Dmitrievich that the khan was going to Lithuania, while he was sent to Moscow. Edigu's troops burned Nizhny Novgorod, Rostov, Dmitrov, and Serpukhov