"History of the Era of Twenty-Five Years' Peace: 1849-1874" is an important work of the famous historian Peter Jacob Andriessen, which reveals the key events and processes that took place in the period between 1849 and 1874. In the book, the author examines in detail the political, social and economic changes of that time, paying attention to important events of national and international importance. Readers will be able to better understand the development of history during this period thanks to the author's detailed analysis and reasoned approach. A History of the Twenty-Five Years' Peace is an essential resource for anyone interested in the history of the nineteenth century and the processes that shaped its subsequent development.