Medieval Russian Fortresses AD 862–1480

According to Russian legend, in the year AD 862 the Slav tribes of what is now European Russia invited a number of Scandinavian princes to rule over them. However, on the death of these princes, Prince Oleg seized Kiev and united the Northern and Southern Russian territories, building extensive fortifications to protect its borders. The rise of feudalism in the 11th century lead to the development of individual fortified sites and the extended border defenses fell into disrepair. Consequently, M...