Muscovite–Volga Bulgars war (1376)

Muscovite–Volga Bulgars war in 1376 was organized by the Russian Prince Dmitry Donskoy of Moscow, and Dmitry Konstantinovich of Vladimir-Suzdal. Moscow-Nizhny Novgorod combined army led by the governor of Moscow Dmitry Mikhailovich Bobrok Volynskyy and sons Dmitry Suzdal Vasily and Ivan. Volga Bulgars, who was then the ulus of the Golden Horde, ruled by the emir Hassan Khan (in Russian chronicles - Assan) and Horde protege Muhammad Sultan (Sultan Mahmat).

Background
Frequent raids of the Mongol-Tatars in the Nizhny Novgorod land forced Nizhegorodsko-Suzdal Prince Dmitry Konstantinovich, in 1364 refused to label the great reign in favor of Dmitri Ivanovich of Moscow, to apply for assistance to the latter. Certain outpost for these raids served Bulgar Khanate.

Campaign
During the campaign, in the Volga Bulgar was burned many villages and slaughtered huge numbers of people.

March 16 Russian army came to the Bulgar. Hasan Khan led his army to the meeting. Bulgars used fighting camels. With the city walls by Russian fire was opened from the guns (mattresses), "... and some thunder puschayusche s hail strashasche Russian army". However, according to the chronicler, the Russian "... hard to resist Stasha fight and ustremishasya unanimously on them". Under the city walls Bulgar army melee defeated. The rest fled into the city and hid behind the walls. Storming of the city did not happen. Hassan Khan asked for peace, paying 5,000 rubles (2000 and 3000 soldiers to princes and magistrates).