This lecture is devoted to the political history of Kievan Rus' starting from the second half of the 11th century. Conflicts between the knyazes are described. Special attention is given to Vladimir Monomakh; the role of veche, a popular assembly in Kievan Rus', is mentioned. Part of the lecture is devoted to the social and economic system in Rus'. The issue of whether there was feudalism in Rus' is studied; the social pattern of Old Russian society is described.