Muscovite–Volga Bulgars war (1376) and hid behind the walls. Hasan Khan ordered a 5,000 ruble payment (2,000 to soldiers and 3,000 to princes and magistrates) to end the attack. Muscovite–Volga Bulgars war (1376) The Muscovite-Volga Bulgars War of 1376 was organized by Russian Prince Dmitry Donskoy of Moscow, and Dmitry Konstantinovich of Vladimir-Suzdal. The Moscow-Nizhny Novgorod combined army was led by Moscow Governor Dmitry Mikhailovich Bobrok Volynskyy, and sons Dmitry Suzdal Vasily and Ivan. Volga Bulgaria, which was at the time an of the Golden Horde (who had converted to Islam in 1313), was ruled by emir Hassan Khan (in Russian chronicles - Assan)
Notes on Muscovite Affairs Notes on Muscovite Affairs Notes on Muscovite Affairs ("Rerum Moscoviticarum Commentarii") (1549) was a Latin book by Baron Sigismund von Herberstein on the geography, history and customs of Muscovy (the 16th century Russian state). The book was the main early source of knowledge about Russia in Western Europe. Herberstein was an Austrian diplomat who was twice sent to Russia as Austrian ambassador, in 1517 and 1526. Born in Vipava (German "Wippach"), Carniola, he was familiar with Slovene, a Slavic language, which became important later on his mission in Russia, when he was able to communicate with ordinary Russians in Slovene,