The book "The Development of European Nations, 1870-1914 (5th edition)" by the famous historian John Holland Rose examines an important period in the history of Europe, when nation-states went through a difficult path to form their identity. The author investigates the political, economic and socio-cultural processes and events that took place on the continent in the second half of the 19th century, and traces their influence on the further development of Europe. In the book "Development of European Nations, 1870-1914", the author systematically analyzes the dynamics of the growth of European nations, in particular changes in the geopolitical position of countries, conflicts between them, as well as internal and external challenges that faced them. Due to the clear structure and accessible style of presentation of the material, the book will be a useful source for everyone who is interested in the history of Europe in the 19th century and the processes of the formation of national states.